Golden Trout

Golden Trout are not native to Idaho but have been introduced to several alpine lakes throughout the state to provide additional fishing opportunities.
These stunningly beautiful fish are native to California's high Sierra Nevada mountains and are among the most colorful trout species.
- featuring golden flanks with red horizontal bands along the lateral lines and distinctive dark vertical oval marks called 'parr marks.' Golden Trout in Idaho typically grow to 12-16 inches, though some reach larger sizes in quality populations.
Fishing in Idaho
What to know
Habitat Distribution
- In Idaho, Golden Trout have been established in backcountry locations in high alpine environments at elevations typically ranging from 6,000-10,000 feet.
Key Locations
- Golden Trout Lake in the Salmon River Dr.ainage (Lemhi County), Pass Lake, Forage Lake in the St.
- Joe River drainage, Long Canyon Lake, Parker Lake in the Selkirk Mountains, and various other high-elevation alpine lakes in western Idaho's mountains.
Specific Spots
- Fish inlet and outlet areas of lakes where trout often stack up, especially on warm days.
- During midday periods, fish near the lake bottom 50-150 feet from shore.
- Watch for cruising fish along shorelines or rising fish.
Golden Trout FAQ
Answers from onWater's species guide.
What flies work for Golden Trout in Idaho?
large orange scuds with flash, small Snowcone ASB Chironomids, Hi-vis Elk Hair Caddis, white Elk Hair Caddis, caddis pupa imitations, mayfly patterns (Adams dry fly, pale evening dun), stonefly nymph imitations (Rubberlegs, Bitch Creek nymph), and small bright orange, pink, or red chironomids, large orange or red...
When is the best time to fish for Golden Trout in Idaho?
The best time to target Golden Trout is a couple weeks after ice-out continuing into early August. They spawn in late May through early June when water temperatures reach 7-10°C, typically just after snowmelt. During this period, anglers should avoid targeting them to protect spawning activities.
How do you catch Golden Trout in Idaho?
For 'reaction eat' fishing, strip large orange or red flies as fast as possible - this unconventional technique can trigger aggressive strikes. In alpine lakes, cast into deeper sections with slow retrieves (long strip, pause, long strip pause).
What do Golden Trout eat?
They are opportunistic feeders with diets consisting mainly of aquatic insects, particularly caddisflies, midges, chironomids, scuds, and small crustaceans including freshwater shrimp. In high alpine environments, they may also feed on zooplankton and daphnia.
Where do Golden Trout live in Idaho?
In Idaho, Golden Trout have been established in backcountry locations in high alpine environments at elevations typically ranging from 6,000-10,000 feet.
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