Idaho Fishing Regulations

Not legal advice. Compiled from official government summaries. Regulations change each year — always check the official source before relying.

General Rules (barbless hooks are the #1 cause of fines)

  • ⚠ Bull trout: catch-and-release only (no harvest).
  • ⚠ Special rules with gear/bait restrictions apply per water - check the regs book.
  • ⚠ Harvest of fish is encouraged for some species (see note).

Species Limits

SpeciesLimitSize / Season
Bass (largemouth & smallmouth)6 combined
Brook trout25Harvest allowed during any open season
Bull troutCatch-and-release
Burbot6
Chinook salmon2Min 24 in
Kokanee15
Tiger muskie2Min 40 in
Trout (brown, cutthroat, golden, lake, rainbow, arctic grayling, tiger)6 combined
Walleye6 (check special rules)

Waterbody-Specific Rules

Anderson Lake
  • Bass limit is 6, only 2 may be Largemouth Bass,
Hayden Creek and tributaries
  • December 1 through Friday before Memorial Day
Hayden Lake
  • Bass limit is 6, only 2 may be Largemouth Bass, no
Kootenai River
  • Trout limit is 2, no Rainbow or Cutthroat Trout
Moyie River
  • Trout limit is 2
Pend Oreille River
  • Bass limit is 6, only 2 may be Largemouth Bass, no
Priest River and tributaries
  • Trout limit is 6, no harvest of Cutthroat Trout
St. Maries River and tributaries
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Spirit Lake
  • Kokanee limit is 25
Spokane River and tributaries
  • Trout limit is 2
  • Trout limit is 6, no harvest of Cutthroat Trout
Trestle Creek and tributaries
  • Closed to fishing
Upper Priest Lake and tributaries
  • Trout limit is 6, only 2 may be Cutthroat Trout, no
Bass (Largemouth and Smallmouth)
  • Bass limit is 6, both species combined
  • In rivers and streams, no bag, length or possession limits,
  • In lakes and reservoirs, limit is 6, both species combined
  • Bass limit is 6, both species combined
  • None under 12 inches
  • Bass limit is 6, both species combined
  • None under 12 inches
  • Bass limit is 6, both species combined
  • None under 14 inches
  • Bass – no bag, length, or possession limits
  • In rivers and streams, no bag, length or possession limits,
Brook Trout
  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise
  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise
  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise
  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise
  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise
  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise
  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise
Bull Trout
  • Bull Trout – catch-and-release
  • Bull Trout – catch-and-release
  • Bull Trout – catch-and-release
  • Bull Trout – catch-and-release
  • Bull Trout – catch-and-release
  • Bull Trout – catch-and-release
Burbot
  • Burbot limit is 6
Chinook Salmon (land-locked)
  • Chinook Salmon limit is 2, none under 24 inches
Kokanee
  • Kokanee limit is 15
  • Kokanee limit is 25
  • Kokanee limit is 6
  • Kokanee limit is 6
  • Kokanee limit is 6
  • Kokanee limit is 15
  • Kokanee limit is 25
Northern Pike (Stocked illegally in this Region. May be harmful
  • No bag, length, or possession limits. Harvest is encouraged
Sturgeon
  • Fishing for sturgeon in the Kootenai River is illegal
  • Sturgeon caught incidentally must be released immediately
  • Sturgeon – catch-and-release
  • Sturgeon must not be removed from the water and must be
  • Barbless hooks, sliding swivel device to secure a weight,
  • Sturgeon – catch-and-release
  • Sturgeon must not be removed from the water and must be
  • Barbless hooks, sliding swivel device to secure a weight, and
  • Sturgeon – catch-and-release
  • Sturgeon must not be removed from the water and must
  • Barbless hooks, sliding swivel device to secure a weight,
  • Sturgeon – catch-and-release
  • Sturgeon must not be removed from the water and must be
  • Barbless hooks, sliding swivel device to secure a weight,
  • Sturgeon – catch-and-release
  • Sturgeon must not be removed from the water and must be
  • Barbless hooks, sliding swivel device to secure a weight, and
  • Sturgeon – catch-and-release
  • Sturgeon must not be removed from the water and must be
  • Barbless hooks, sliding swivel device to secure a weight, and
Tiger Muskie
  • Tiger Muskie limit is 2, none under 40 inches
  • Tiger Muskie limit is 2, none under 40 inches
  • In rivers and streams, trout limit is 2, all species combined
  • In lakes, reservoirs, ditches and canals, trout limit is 6, all
  • Tiger Muskie limit is 2, none under 40 inches
  • Trout limit is 6, all species combined
  • Chinook Salmon and steelhead placed in ponds are
  • Tiger Muskie limit is 2, none under 40 inches
  • Trout limit is 6, all species combined
  • In rivers and streams, only 2 of the 6 trout may be
  • Tiger Muskie limit is 2, none under 40 inches
  • Trout limit is 6, all species combined
  • In rivers and streams, only 2 of the 6 trout may be
  • Tiger Muskie limit is 2, none under 40 inches
  • Tiger Muskie limit is 2, none under 40 inches
  • Trout limit is 6, all species combined
  • Chinook Salmon and steelhead placed in ponds are
Trout)
  • Trout limit is 6, all species combined
  • Saturday of Memorial Day weekend through
  • Memorial Day weekend through November 30 –
  • Saturday of Memorial Day weekend through
Walleye (Stocked illegally in this Region. May be harmful to
  • Harvest encouraged. No bag, length, or possession limits,
  • Harvest is encouraged. No bag, length, or possession limits.
  • Harvest is encouraged. No bag, length, or possession limits.
Whitefish
  • Whitefish limit is 25
  • Harvest allowed during any open season unless otherwise
  • Whitefish limit is 25
  • Harvest allowed during any open season unless otherwise
  • Whitefish limit is 25
  • Harvest allowed during any open season unless otherwise
  • Whitefish limit is 25
  • Harvest allowed during any open season unless otherwise
  • Whitefish limit is 25
  • Harvest allowed during any open season unless otherwise
  • Whitefish limit is 25 – see Big Lost River exception
  • Harvest allowed during any open season unless otherwise
  • Whitefish limit is 25
  • Harvest allowed during any open season unless otherwise
All Other Fish Species includes bullfrogs and crayfish
  • No bag, length, or possession limits
  • No bag, length, or possession limits
  • No bag, length, or possession limits
  • No bag, length or possession limits
  • No bag, length or possession limits
  • No bag, length or possession limits
  • No bag, length, or possession limits
Blue Lake (Priest River drainage) - Electric motors only
  • Bass limit is 6, only 2 may be Largemouth Bass,
Chase Lake - Electric motors only
  • Bass limit is 6, only 2 may be Largemouth Bass,
Denton Slough)
  • Trout limit is 6, no harvest of Cutthroat Trout
  • Rainbow Trout catch-and-release December 1
  • No limit on lake trout
Clark Fork River tributaries
  • Trout limit is 6, no harvest of Cutthroat Trout
  • Rainbow Trout catch-and-release December 1
  • No bait allowed Dec. 1 through Friday before
Memorial Day weekend
  • Northern Pike – Harvest is encouraged. Open
  • Trout limit is 2
  • Trout limit is 6, no harvest of Cutthroat Trout
  • Lake Creek and tributaries, closed to fishing
  • Trout limit is 6, no harvest of any trout with a
  • Trout limit is 6, no harvest of any trout with a red
  • Trout limit is 6, no harvest of any trout with a red
  • No bait allowed, barbless hooks required
  • Fishing closed 100 yards upstream and
South Fork upstream to Yellow Dog Creek
  • Trout limit is 6, no harvest of any trout with a red
  • Trout limit is 6, no harvest of any trout with a red
  • No bait allowed, barbless hooks required
  • Trout limit is 6, no harvest of any trout with a red
River)
  • Rainbow Trout catch-and-release December 1
Gamble (Gamlin) Lake - Electric motors only
  • Closed to fishing
Granite Creek and tributaries (Pend Oreille Lake)
  • Closed to fishing
Largemouth Bass under 20 inches
  • Crappie limit is 6, none under 10 inches
Panhandle
  • Sturgeon - Fishing for sturgeon in the Kootenai
Mirror creeks and their tributaries)
  • No limit on the number of fishing rods per angler
  • Bass limit is 6, only 2 may be Largemouth Bass, no
Largemouth Bass under 16 inches
  • Lake Trout – Harvest is encouraged. No bag, length,
  • Cutthroat Trout – catch-and-release
  • Rainbow Trout limit is 2, only 1 over 20 inches
  • Northern Pike – Harvest is encouraged. Open
  • Trout limit is 6, no harvest of Cutthroat Trout
  • Northern Pike – Harvest is encouraged. Open
Rapid Lightning Creek and tributaries)
  • Trout limit is 6, no harvest of Cutthroat Trout
  • Rainbow Trout catch-and-release December 1
  • No bait allowed December 1 through Friday before
Creek)
  • Northern Pike – Harvest is encouraged. Open
Priest Lake and tributaries (including Thorofare)
  • Trout limit is 6, only 2 may be Cutthroat Trout, no
Cutthroat Trout under 16 inches
  • No harvest of Cutthroat Trout in tributaries
  • Kokanee limit is 6
  • No harvest of Cutthroat Trout in tributaries
  • Lake Trout – Harvest is encouraged. No bag,
  • Kokanee limit is 6
St. Joe River and tributaries (except St. Maries River)
  • Trout limit is 6, no harvest of any trout with a red
  • Trout limit is 6, no harvest of any trout with a red
  • No bait allowed, barbless hooks required
Fork
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Deer Creek Reservoir
  • Trout limit is 6, only 2 may be Tiger Trout, no
Deyo Reservoir
  • Bass limit is 2, none under 16 inches
Dworshak Reservoir
  • Trout limit is 6, only 2 may be Cutthroat Trout, no
Kelly Creek and tributaries
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
Lochsa River
  • Barbless hooks required
  • December 1 through Friday before Memorial
  • Saturday of Memorial Day weekend through
Salmon River
  • Trout limit is 6; only trout with a clipped adipose
  • Clearwater Region general rules apply
  • No bag, length, or possession limits on bass
  • Trout limit is 6; only trout with a clipped adipose
  • Bass – No bag, length, or possession limits,
  • Southwest Region general rules apply
  • Bass – No bag, length, or possession limits,
  • Trout limit is 6; only trout with a clipped adipose
Salmon River tributaries
  • Bass – No bag, length, or possession limits,
Selway River
  • Barbless hooks required
  • December 1 through Friday before Memorial
  • Saturday of Memorial Day weekend through
Snake River
  • January 1 through June 30 – bass catch-and-release
  • July 1 through December 31 – bass limit is 2, none
  • Trout limit is 6, only 2 may be Cutthroat Trout
  • Trout limit is 2, no harvest of Cutthroat Trout
Salmon (ocean-run)
  • Spring and summer Chinook Salmon seasons and limits
  • Seasons and limits for fall Chinook Salmon and Coho
  • Spring and summer Chinook Salmon seasons and limits are
  • Seasons and limits for fall Chinook Salmon and Coho
  • Spring and summer Chinook Salmon seasons and limits
  • Seasons and limits for fall Chinook Salmon and Coho
Salmon can be found on page 54
  • Sockeye Salmon fishing is prohibited. Defined as ocean-
  • Fishing for salmon is prohibited unless a salmon season is
  • Sockeye Salmon fishing is illegal. Defined as ocean-run
  • Sockeye Salmon fishing is illegal. Defined as ocean-run
Steelhead (ocean-run)
  • Defined as Rainbow Trout longer than 20 inches in the
  • Fishing for steelhead is prohibited unless a steelhead season
  • Defined as Rainbow Trout longer than 20 inches in the
  • Defined as Rainbow Trout longer than 20 inches in
  • Fishing for steelhead is prohibited unless a steelhead season
Sand Roller
  • May not be harvested or possessed
River Bridge at Orofino
  • Trout limit is 6; only trout with a clipped adipose
  • Fishing between posted boundaries 100 yards
Tribal Hatchery Ladder (near Cherry Lane Bridge)
  • Fishing from the shoreline or wading along the
Middle Fork Clearwater rivers
  • Trout limit is 6; only trout with a clipped adipose
  • September 1 through April 30 – No motors allowed
  • Trout limit is 2
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
  • September 1 through April 30 – No motors allowed
  • Trout limit is 6; only trout with a clipped adipose
  • When fishing from Ahsahka Highway 7 Bridge,
  • Fishing from any watercraft or wading is
Fork Clearwater River and the Ahsahka Highway
  • Fishing from the shoreline or wading along the
Reservoir upstream
  • Barbless hooks required
  • December 1 through Friday before Memorial
  • Saturday of Memorial Day weekend through
  • Cutthroat Trout – catch-and-release only
  • Single-pointed barbless hooks are required while
Crooked Fork (tributary to Lochsa River)
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
Region general rules apply
  • Trout limit is 2, none under 14 inches
  • No bait allowed, barbless hooks required
  • Trout limit is 2, none under 14 inches
  • No bait allowed, one barbless hook per fly or lure
Bridge upstream to the confluence of Colt Killed Creek
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
Mann Lake - Electric motors only
  • Bass limit is 2, none under 16 inches
Salmon River (page 27).
  • Trout limit is 2
Selway Falls Bridge at Meadow Creek
  • Closed to fishing
Snake River (ID/WA border upstream to Hells Canyon Dam)
  • Trout limit is 6; only trout with a clipped adipose
Spring Valley Reservoir - Electric motors only
  • Bass limit is 2, none under 16 inches
Oncorhynchus nerka longer than 14 inches in the Snake River
  • Fishing for salmon is prohibited unless a salmon season is
Boise River from its mouth upstream to Barber Dam during
  • Fishing for steelhead is prohibited unless a steelhead season
Protected Nongame Fish includes Pacific Lamprey
  • May not be harvested or possessed
Ben Ross Reservoir
  • Bass limit is 2, none between 12 and 16 inches
Cascade Aquarium Pond
  • Closed to fishing
Hells Canyon Reservoir
  • Bass limit is 6, any size
Little Payette Lake
  • Bass limit is 2, none under 20 inches
  • Kokanee limit is 25
Oxbow Reservoir
  • Bass limit is 2, none between 12 and 16 inches
  • Kokanee – catch-and-release
  • December 1 to Friday of Memorial Day weekend
Rapid River and tributaries
  • Trout limit is 2
Roosevelt Lake
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
Stibnite Pond (Glory Hole)
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
Warren Creek
  • Trout limit is 2
Bear Valley Creek
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
Caldwell Ponds
  • Bass limit is 2, none under 20 inches
Deadwood Reservoir tributaries
  • Trout limit is 2
  • Kokanee limit is 6
Dick Knox Pond
  • Bass limit is 2, none under 20 inches
Lake Lowell
  • January 1 to June 30 - bass – catch-and-release
  • July 1 to December 31- bass limit is 2, none
McDevitt Pond
  • Trout limit is 2
M.K. Nature Center
  • Closed to fishing
Parkcenter Pond
  • Trout limit is 2
  • Trout limit is 2
Weiser Community Pond
  • Trout limit is 2
Big Creek (tributary to the Middle Fork Salmon River)
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
Brundage Reservoir and tributaries
  • Trout limit is 2, none over 14 inches
  • No bait allowed
Chamberlain Creek and tributaries
  • Trout limit is 2
Louie Lake (an alpine lake in the Boulder Creek drainage)
  • Trout limit is 2, none under 20 inches
  • No bait allowed, barbless hooks required
Southwest Region general rules apply
  • No bait allowed, one barbless hook per fly or lure
  • December 1 through March 31– trout – catch-
  • April 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Fork Salmon River)
  • Trout limit is 2
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
  • Bass – No bag, length, or possession limits,
Parkcenter Bridge
  • Trout limit is 2, none under 14 inches
Chief Eagle Eye Creek and tributaries
  • Trout limit is 2
Dam to Loveridge Bridge at HW51)
  • Bass limit is 6, no minimum length, only 1 over
Crane Falls Lake - Electric motors only
  • Bass limit is 2, none under 20 inches
Owyhee River and tributaries
  • Bass limit is 6, any size
Sage Hen Reservoir tributaries
  • December 1 through June 15 - closed to fishing
  • June 16 through November 30 - trout limit is 2
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
  • Bass – No bag, length, or possession limits,
Wilson Springs Ponds (all waters within the Wilson Springs
  • Trout limit is 2
Anderson Ranch Reservoir
  • Kokanee limit is 15 per day
Big Wood River
  • Bass – no bag, length, or possession limits
  • Saturday of Memorial Day weekend through
  • April 1 through Friday before Memorial Day
Billingsley Creek
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Devils Corral Creek
  • Trout limit is 2
Empire Rapids Ponds
  • Trout limit is 2
Sixmile Reservoir (Gunnel)
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Jarbidge River and tributaries
  • Trout limit is 2
Little Wood River
  • Trout – catch-and-release
  • Fly-fishing only, barbless hooks required
  • Trout limit is 2
Malad River
  • December 1 through Friday before Memorial
Niagara Springs Creek
  • Closed to fishing
Sublett Reservoir tributaries
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Vineyard Creek
  • November 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Willow Creek
  • December 1 through Friday before Memorial Day
Cutthroat Trout
  • Trout limit is 2, no harvest of Cutthroat Trout
  • Salmon Region general rules apply
  • Trout – catch-and-release
  • No bait allowed, barbless hooks required
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
  • Salmon Region general rules apply
  • Salmon Region general rules apply
Walleye
  • Walleye limit is 6
  • Harvest is encouraged. No bag, length, or possession limits,
Protected Nongame Fish includes Norhern Leatherside
  • May not be harvested or possessed
Baker Lake (an alpine lake in Blaine County)
  • Trout limit is 2
Bridge
  • December 1 through March 31– trout – catch-
  • April 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Highway 75 Bridge near milepost 122.2
  • December 1 through March 31 – trout – catch-
  • April 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
  • Saturday of Memorial Day weekend through
  • April 1 through Friday before Memorial Day
River
  • December 1 through March 31 – trout – catch-
  • April 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Big Wood River Tributaries (upstream of Magic Reservoir)
  • Bass – no bag, length, or possession limits
  • December 1 through March 31 – trout – catch-
  • April 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Box Canyon Creek (tributary to the Snake River)
  • Trout limit is 2
Bruneau Dunes State Park - Electric motors only
  • Bass limit is 2, none under 20 inches
Hagerman Wildlife Management Area - No motors
  • November 1 through the last day of February –
State Fish Hatchery Diversion
  • November 1 through the last day of February –
Minnidoka NWR) upstream to Eagle Rock
  • Bass limit is 2, any size
  • Trout limit is 6, only 2 may be Cutthroat Trout
  • Bass limit is 2, any size
  • Trout limit is 6, only 2 may be Cutthroat Trout
  • Bass limit is 2, any size
Valley Region general rules apply
  • Trout limit is 2
Magic Reservoir (from Magic Dam to the posted boundary
  • Bass – No bag, length, or possession limits,
Silver Creek - No motors.
  • Open all year
  • Trout limit is 2, none between 12 and 16 inches
Highway 20 west of Picabo upstream to the confluence
  • No fishing from rafts or boats; float tubes are
  • December 1 through the Friday before Memorial
  • Saturday of Memorial Day weekend through
  • No fishing from rafts or boats; float tubes are
  • April 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Silver Creek Preserve property (See map on page
  • No fishing from rafts or boats; float tubes are
  • December 1 through the Friday before Memorial
  • Saturday of Memorial Day weekend through
  • December 1 through the Friday before Memorial
  • Saturday of Memorial Day weekend through
Sublett Reservoir (see also Sublett Reservoir tributaries)
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Willow Creek (tributary to Camas Creek)
  • Trout limit is 2
Bear Lake
  • From the mouth of St. Charles Creek (Little
American Falls Reservoir
  • Bass limit is 2, any size
Blackfoot Reservoir
  • Trout limit is 6, no harvest of Cutthroat Trout
  • Bass – No bag, length, or possession limits,
Blackfoot River and tributaries
  • Trout limit is 6, no harvest of Cutthroat Trout
  • May 1 through June 30 – closed to fishing
  • July 1 through April 30 – trout limit is 6, no
Chesterfield Reservoir
  • Trout limit is 2
Condie Reservoir
  • Bass limit is 2, none under 20 inches
Daniels Reservoir
  • Trout limit is 2, none under 20 inches
  • One line only when ice fishing
  • No bait allowed, barbless hooks required
Deep Creek Reservoir
  • Trout limit is 6, only 2 may be Cutthroat Trout
  • No length, bag, or possession limits on Bass
Fish Haven Creek
  • December 1 through June 30 – closed to fishing
Glendale Reservoir
  • Bass limit is 2, none under 16 inches
Little Blackfoot River and tributaries
  • Trout limit is 6, no harvest of Cutthroat Trout
McCoy Creek and tributaries
  • Trout limit is 6, no harvest of Cutthroat Trout
  • Trout limit is 6, no harvest of Cutthroat Trout
Oneida Narrows Reservoir
  • Walleye limit is 6
  • Bass limit is 6, any size
St. Charles Creek
  • December 1 through June 30 – closed to fishing
Springfield Reservoir
  • Trout limit is 2, none under 20 inches
  • One line only when ice fishing
  • No bait allowed, barbless hooks required
Treasureton Reservoir
  • Trout limit is 2, none under 20 inches
  • Bass – no bag, length, or possession limits
  • One line only when ice fishing
  • No bait allowed, barbless hooks required
Cisco (Bear Lake only)
  • Cisco limit is 30
Protected Nongame Fish includes Northern Leatherside
  • May not be harvested or possessed
Creek) for a radius of 300 yards into the lake is
  • Not more than 2 baited hooks, flies, or lures per
  • One line only when ice fishing. Two lines permitted
  • Trout limit is 2
  • Cisco limit is 30; dip-netting permitted January 1
  • Whitefish limit is 10
Narrows Dam
  • Trout limit is 2, no harvest of Cutthroat Trout
  • Bass limit is 6, any size
Reservoir upstream to the Wyoming state line
  • Trout limit is 6, no harvest of Cutthroat Trout
River and Thomas Fork Bear River)
  • Trout limit is 6, no harvest of Cutthroat Trout
First Creek (tributary to Deep Creek Reservoir)
  • December 1 through June 14 – closed to fishing
Lava Hot Springs upstream to Chesterfield Reservoir
  • December 1 through Friday before Memorial
  • Saturday of Memorial Day weekend through
Lava Hot Springs
  • Southeast Region general rules apply
Southeast
  • Trout limit is 6, only 2 may be Cutthroat Trout
Dam
  • October 16 – Friday before Memorial Day
  • Saturday of Memorial Day weekend – October
Gem Lake dam
  • Trout limit is 6, only 2 may be Cutthroat Trout
  • Bass limit is 2, any size
Twenty-Four Mile Reservoir - No motors
  • Trout limit is 2, none under 20 inches
  • One line only when ice fishing
  • No bait allowed, barbless hooks required
Beaver Creek and tributaries
  • Trout limit is 6, no harvest of Cutthroat Trout
Becker Pond (Ryder Park Pond)
  • 2 fish any species
Big Lost River and tributaries
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Fall River and tributaries
  • Limit is 2 trout, no harvest of Cutthroat Trout
Fish Creek (Harriman State Park)
  • Trout limit is 6, no harvest of Cutthroat Trout
  • Fly-fishing only
Golden Lake (Harriman State Park)
  • Closed to fishing
  • Trout limit is 2, no harvest of Cutthroat Trout
  • December 1 through Friday before Memorial Day
Henrys Lake Outlet
  • December 1 through Friday before Memorial
Henrys Lake tributaries
  • July 1 through March 31 – no harvest of
Jim Moore Pond
  • Trout limit is 2
Little Lost River and tributaries
  • Trout limit is 2
Mud Lake
  • Bass limit is 6
  • March 1 through July 15 – no boats, rafts or
Palisades Reservoir tributaries
  • Trout limit is 6, no harvest of Cutthroat Trout
  • No harvest of kokanee
Ririe Reservoir
  • Walleye – Harvest is encouraged. No bag, length,
Silver Lake (Harriman State Park)
  • Closed to fishing
South Fork Snake River
  • No harvest of Cutthroat Trout
  • Brown Trout limit is 2
  • No limit on Rainbow Trout or trout hybrids
  • June 1 through June 30 – closed to fishing
  • No harvest of Cutthroat Trout
  • No limit on Rainbow Trout or trout hybrids
Teardrop Lake (Snow Creek Pond)
  • Trout limit is 2
Thurmon Creek (Harriman State Park)
  • Closed to fishing
Warm River and tributaries
  • Closed to fishing
Tiger Trout)
  • Trout limit is 6, all species combined
Walleye (Have not been stocked intentionally in this Region. May
  • No bag, length, or possession limits, harvest is encouraged
Protected Nongame Fish including Bluehead Sucker (also
  • May not be harvested or possessed
Great Feeder irrigation diversion headgate
  • May 1 through March 31 – Upper Snake Region
  • April 1 through April 30 – it is legal to take fish
State Park boundary
  • Trout – catch-and-release (except Brook Trout)
  • No bait allowed, barbless hooks required
  • December 1 through June 14 – closed to fishing
  • June 15 through November 30 – trout – catch-
  • Trout – catch-and-release (except Brook Trout)
  • No bait allowed, barbless hooks required
Lake Outlet
  • December 1 through Friday before Memorial
Brook Trout)
  • Saturday of Memorial Day weekend through
  • Closed to fishing
  • Saturday of Memorial Day weekend through
  • Saturday of Memorial Day weekend through
All other sections of Henrys Fork including Ashton
  • December 1 through Friday before Memorial
Hatchery Creek
  • Closed to fishing
Remainder of Henrys Lake
  • February 15 through Friday before Memorial
  • Saturday of Memorial Day Weekend through
  • Fishing must cease after the 2-trout daily bag
Brook Trout over 16 inches
  • April 1 through June 30 – closed to fishing
  • Hatchery Creek – closed to fishing
Horseshoe Lake (Fremont County) - no motors
  • Trout limit is 2
Long Lake (an alpine lake in Custer County)
  • Trout limit is 2, none under 20 inches
Market Lake Wildlife Management Area
  • March 1 through July 15 – no boats, rafts or
Medicine Lodge Creek and tributaries
  • Trout limit is 2, no harvest of Cutthroat Trout
Sand Creek Wildlife Management Area (motorized
  • December 1 through Friday before Memorial
  • Saturday of Memorial Day weekend through
  • December 16 through June 30 – closed to
  • July 1 through December 15 – trout limit is 6;
Teton River
  • No limit on Rainbow Trout or hybrids
  • No harvest of Cutthroat Trout
  • June 1 through June 30 – closed to fishing
  • No harvest of Cutthroat Trout
  • No limit on Rainbow Trout or hybrids
All other sections of the Warm River
  • December 1 through Friday before Memorial Day
Willow Creek tributaries (includes Sellar Creek)
  • No harvest of Cutthroat Trout
  • No limit on Rainbow Trout or hybrids
  • June 1 through June 30 – closed to fishing
Herd Lake
  • Trout limit is 25
Jimmy Smith Lake
  • Trout limit is 25
Pahsimeroi River
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Pettit Lake
  • January 1 through August 7 – Salmon Region
  • August 8 through December 31 – kokanee - catch-
Redfish Lake
  • January 1 through August 7 – Salmon Region
  • August 8 through December 31 – kokanee - catch-
Stanley Lake
  • Trout limit is 6, only 2 may be Lake Trout
Wallace Lake
  • Trout limit is 2
River drainage (excluding above Mosquito Flat Dam)
  • Fishing for salmon is prohibited unless a salmon season is
Protected Nongame Fish including Pacific Lamprey
  • May not be harvested or possessed
Lake Creek and tributaries (above Williams Lake)
  • December 1 through June 30 – closed to fishing
Lake
  • July 1 through November 30 – Salmon Region
Lemhi River
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Lemhi River tributaries
  • Salmon Region general rules apply
Pahsimeroi River tributaries
  • Salmon Region general rules apply
Salmon River (page 27).
  • Trout limit is 2
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Yankee Fork Salmon River Dredge Ponds
  • December 1 through Friday before Memorial Day
  • Saturday of Memorial Day weekend through
Please help ensure the survival of
  • Use proper-sized gear and keep
  • Avoid pulling fish onto rock, sand,
  • Minimize the time out of water
  • Don't handle the fish by the gills
  • Revive the fish by gently holding it in
Fishing Rules
  • Any angler, who has attained the bag, possession, or season
  • Only single-pointed barbless hooks are allowed when
  • Sturgeon must be released immediately upon landing
  • Removing sturgeon from the water or having them in
  • Fishing for sturgeon in the Kootenai River is illegal
  • Anglers are required to use barbless hooks, a sliding swivel
  • Sliding Sinker for Sturgeon: A method of attaching a
Clearwater River.
  • Only barbless hooks may be used when fishing for salmon
Hatchery steelhead or salmon
  • Salmon and steelhead may be taken with barbed hooks
Canyon and Oxbow dams.
  • No person shall kill or retain in possession any salmon or
  • Fishing for salmon or steelhead is prohibited unless a
  • Any anadromous (ocean-run) salmon or steelhead that is
  • All fish that are hooked, landed, and reduced to
  • No person shall have in the field or in transit any salmon
  • Steelhead harvest and angler participation are estimated
FISH
  • Anglers may retain jack salmon less than 24 inches in
  • Anglers are not required to possess or validate their salmon
  • When a salmon or steelhead is released rather than reduced
Sep 1 - Dec 31
  • News and updates
  • Conservation stories
  • Science articles
Tips
  • We recommend a minimum of 50 pound test
  • Sturgeon can be rolled onto their backs, positioned belly-
  • Do not grasp a sturgeon by the gills. Gills are the lungs
  • If fishing from a boat and you snag the bottom, back over
  • If fishing from shore and you become snagged try
  • Do not leave discarded line on shore or in the water. It is a
Crayfish may be taken only in waters during the season set for
  • A maximum of five (5) crayfish traps can be fished with a
  • Crayfish may also be caught or harvested using your hands.
  • All game fish (except yellow perch) and protected nongame
  • All traps must have a tag attached bearing the owner’s
  • Crayfish may be kept alive to be used as bait only in the
  • Crayfish may be transported live for personal consumption.
  • Live crayfish may only be released back to the waterbody
OR
  • Write down or photograph tag number(s). Some fish
  • Report online: tag.idaho.gov
  • Provide additional information as prompted
  • Some tags offer a cash reward. Simply cut or remove the
You can do your part to increase fish survival by following these
  • Use the proper size tackle to land the fish quickly, which
  • Using barbless hooks makes removing hooks easy and
  • Do not squeeze the fish.
  • Do not touch or hold fish by the gills, gill covers, or the
  • Minimize the time fish are out of the water.
  • Holding fish upside down in the water often can make
  • If the hook is too deep to be easily removed, cut the line
  • Revive the fish, if necessary, by gently holding it in the

Seasons

Varies by species and water; check seasons/limits by region.

Licence Fees

Idaho fishing license required (resident/non-resident); fees per IDFG.

Edition: 2026 Idaho Fishing Seasons & Rules (IDFG) · Effective: 2026 season · Source: Idaho Dept. of Fish & Game (idfg.idaho.gov/fish)

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