Cutthroat trout
Big Lost River
Updated
← Back to map
Fish › Trout
Oncorhynchus clarkii
Idaho’s native trout, built for cold streams and lakes and famous for rising to a well-drifted fly.
Size range
8–39 in
Size range
Typical adult length in the waters we cover.
Water temperature
Coldwater
Water temperature
Preferred thermal regime for this species.
Active season
Spring through fall
Active season
When anglers most often encounter this species.
Origin
Native
Origin
Stocking and native history where this species is found.
Habitat
Headwater Streams, Rivers & Large Rivers, Lakes & Reservoirs
Habitat
Primary water types where this species is found.
Cutthroat trout are native to Idaho and part of the state’s angling heritage. They thrive in cold water, and while some forms are sea-run, many Idaho populations live entirely in freshwater streams and lakes.
Also known as: Cutthroat, cutties
Cutthroat trout
Big Lost River
Cutthroat trout in summer
Clearwater River
Summer fishery emphasis
Cutthroat trout
Salmon River
Cutthroat trout
Salmon River, Bayhorse Recreation Site to Tappan
Cutthroat trout
Salmon River, Cache Bar to Carey Creek
Cutthroat trout
Salmon River, Campbell Flat to Pine Bar
Cutthroat trout
Salmon River, Carey Creek to Riggins
Cutthroat trout
Salmon River, Colston Creek to Shoup Bridge Campground
Cutthroat trout
Salmon River, Corn Creek Campground to Spring Bar
Cutthroat trout
Salmon River, Deadwater Spring to Corn Creek Campground
Cutthroat trout
Salmon River, Hammer Creek to Mouth / terminus
Cutthroat trout
Salmon River, Headwaters to Sawtooth Kids Pond
Cutthroat trout
Salmon River, Lucile Recreation Site to Campbell Flat
Cutthroat trout
Salmon River, Maynard Hole to Hammer Creek
Cutthroat trout
Salmon River, Riggins to Maynard Hole
Cutthroat trout
Salmon River, Sawtooth Kids Pond to Sunbeam
Cutthroat trout
Salmon River, Shoup Bridge Campground to Tower Rock Recreation Site
Cutthroat trout
Salmon River, South Butte to Bayhorse Recreation Site
Cutthroat trout
Salmon River, Spring Bar to Lucile Recreation Site
Cutthroat trout
Salmon River, Sunbeam to South Butte
Cutthroat trout
Salmon River, Tappan to Colston Creek
Cutthroat trout
Salmon River, Tower Rock Recreation Site to Cache Bar
Episode 63 · Sep 27, 2018
They feed on insects, crustaceans, and small fish, with terrestrials often a key warm-season bonus.
Idaho seasons, limits, and gear rules vary by water, and cutthroat regulations can differ among rivers and stream sections, always check the specific IDFG rules for your exact water before fishing.
Regulations vary by water. Check current Idaho Fish and Game rules before fishing.
Status: Native to Idaho (S4)
G4 (Apparently Secure) · ESA: Not listed · Idaho: S4Browse species profiles with habitat, diet, tactics, and linked waters across the state.
Cutthroat trout
Bear River, Cove Plant to Grace Dam
