Idaho species

Cutthroat Trout in Idaho

Region bag lines and IDFG picks for cutthroat trout.

  • 6 a daybag
  • 3.08 pounds2026 record
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Photo of the fish, not an Idaho water: Famartin, CC BY-SA 4.0

Idaho fish

Idaho Cutthroat Trout, the essentials

IDFG writes a cutthroat trout bag into 7 of the seven region tables. A sample, from the IDFG Panhandle Region: "Trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately".

Lake Pend Oreille, Bear Lake and American Falls Reservoir lead the 109 Idaho pages where the Planner recommends it. Scientific name in the Planner: Oncorhynchus clarkii.

6 a daybag
7regions listing it
109IDFG picks with pages
0stocking rows
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Region limits

Cutthroat Trout limits from every IDFG region block

IDFG regionLine as printed
IDFG Panhandle RegionTrout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately
IDFG Clearwater RegionIn rivers and streams, trout limit is 2, all species combined; In lakes, reservoirs, ditches and canals, trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately
IDFG Southwest RegionTrout limit is 6, all species combined; Chinook Salmon and steelhead placed in ponds are counted in the trout bag limit; Bull Trout and Brook Trout are listed separately
IDFG Magic Valley RegionTrout limit is 6, all species combined; In rivers and streams, only 2 of the 6 trout may be Cutthroat Trout; Bull Trout and Brook Trout are listed separately
IDFG Southeast RegionTrout limit is 6, all species combined; In rivers and streams, only 2 of the 6 trout may be Cutthroat Trout; Brook Trout are listed separately
IDFG Upper Snake RegionTrout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately
IDFG Salmon RegionTrout limit is 6, all species combined; Chinook Salmon and steelhead placed in ponds are counted in the trout bag limit; Bull Trout and Brook Trout are listed separately

Region bag limits from Idaho Fishing Seasons and Rules, 2025-2027, as printed on IDFG Fishing Planner water pages (the brochure PDF on idfg.idaho.gov was unreachable during site maintenance), read November 7, 2026.

The region tables, side by side

Records

New Idaho Cutthroat Trout marks from 2026

ListingMarkCategoryWaterCaughtSource
Yellowstone Cutthroat Trout3.08 poundscertified weightHenrys Lakenot printedIDFG news release (Jan 30, 2026) as distributed unaltered by Public Technologies (article), read November 8, 2026
Westslope Cutthroat Trout27 inchescatch-and-release (length)Lake Pend OreilleFebruary 1, 2026Outdoor Life (Mar 18, 2026), reporting IDFG certification (article), read November 8, 2026

Records announced by IDFG in 2026 as reported in the dated releases and articles linked in each row, read November 8, 2026; a partial list, since the full IDFG record lists at idfg.idaho.gov/fish/record could not be opened during the November 2026 site maintenance. Angler names are left off.

Where to fish

Idaho water IDFG recommends for cutthroat trout

Lakes the Planner suggests for cutthroat trout

Rivers the Planner suggests for cutthroat trout

  • Blackfoot RiverBingham County
  • Deadwood RiverBoise County
  • North Fork Clearwater RiverClearwater County
  • American RiverIdaho County
  • Bear RiverBear Lake County
  • Bear Valley CreekValley County
  • Big Lost RiverButte County
  • Breakfast CreekClearwater County
  • Brushy Fork CreekIdaho County
  • Cassia CreekCassia County
  • Clark Fork RiverBonner County
  • Clearwater RiverClearwater County
  • Cocolalla CreekBonner County
  • Crooked CreekIdaho County
  • Crooked ForkClearwater County
  • Crooked River (Idaho County)Idaho County
  • Cub RiverFranklin County
  • Diamond CreekCaribou County

IDFG Fishing Planner recommended game fish on each water page, read November 7, 2026; largest lakes and best-served rivers first.

Special rules

Idaho rule blocks that cite cutthroat trout

  • Bear RiverIDFG Southeast Region
  • Blackfoot ReservoirIDFG Southeast Region
  • Blackfoot RiverIDFG Southeast Region
  • Clark Fork RiverIDFG Panhandle Region
  • Clearwater RiverIDFG Clearwater Region
  • Cocolalla CreekIDFG Panhandle Region
  • Coeur d'Alene LakeIDFG Panhandle Region
  • Cub RiverIDFG Southeast Region
  • Deep Creek Reservoir (Oneida County)IDFG Southeast Region
  • Diamond CreekIDFG Southeast Region
  • Dworshak ReservoirIDFG Clearwater Region
  • East Fork Salmon RiverIDFG Salmon Region
  • Eightmile CreekIDFG Southeast Region
  • Falls RiverIDFG Upper Snake Region
  • Georgetown CreekIDFG Southeast Region
  • Giraffe CreekIDFG Southeast Region
  • Henrys Fork Snake RiverIDFG Upper Snake Region
  • Henrys LakeIDFG Upper Snake Region
  • Hoodoo CreekIDFG Panhandle Region
  • Kootenai RiverIDFG Panhandle Region

Waters with rule blocks, A to Z

Rule blocks printed on IDFG Fishing Planner water pages (2025-2027), read November 7, 2026.

Related fish

Idaho fish counted with cutthroat trout

Photos

Gem State water near Cutthroat Trout, on camera

Anderson Ranch Reservoir, Idaho
Anderson Ranch Reservoir
Photo: Bureau of Reclamation, CC BY-SA 2.0
Brownlee Reservoir, Idaho
Brownlee Reservoir
Photo: Cecelia Alexander, CC0 1.0
Lake Lowell, Idaho
Lake Lowell
Photo: Tamanoeconomico, CC BY-SA 4.0
Palisades Reservoir, Idaho
Palisades Reservoir
Photo: Intermountain Forest Service, USDA Region 4 Photography, Public domain
Answers

Before targeting cutthroat trout in Idaho

Can cutthroat trout be kept in Idaho?

By region; the IDFG Panhandle Region prints "Trout limit is 6, all species combined; Bull Trout and Brook Trout are listed separately".

Which water gave up a record cutthroat trout in 2026?

Yes; IDFG announced 3.08 pounds (certified weight) from Henrys Lake.

Where do cutthroat trout turn up in Idaho?

Try Lake Pend Oreille, Bear Lake and American Falls Reservoir; 109 pages list it.

Does IDFG stock cutthroat trout?

No hatchery row names it on these pages.

Where does the cutthroat trout rule change in Idaho?

Rule blocks on 55 pages mention it (Blackfoot Reservoir).

Does the Endangered Species Act cover cutthroat trout in Idaho?

No, it is not a listed fish.

Do visitors need a license for Idaho cutthroat trout?

Fishing here takes an Idaho fishing license; Idaho Code 36-416 sets the annual statutory fee at $28.75 for residents and $106.25 for nonresidents, and steelhead or salmon fishing takes its own permit.

Can a released cutthroat trout set an Idaho record?

IDFG keeps two lists: certified weight, on a certified scale, and catch-and-release, by total length of a fish released alive.

Choose a cutthroat trout water in Idaho

Each water above has launches and rules on its page.