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Fishing Lost Valley Reservoir: what the data says
523-acre reservoir near Adams. The lake tops out around 21 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. What follows comes from the same scoring engine that paints the spots above.
Cutthroat Trout fishing at Lost Valley Reservoir
Start shallow in spring: cutthroat trout sit in 3 to 15 ft that time of year. They move out to 6 to 21 ft in summer and finish the year down in 5 to 21 ft. Break off the point is the standout, a drop-off at roughly 9 ft, rated prime for summer cutthroat trout. Plan around early morning and the evening in the warm months. Tie on a trolled spoon (small) or a inline spinner and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Inline spinner (silver/gold), Small spoon |
| Summer | 6 to 21 ft | dawn & dusk | Trolled spoon (small), Inline spinner |
| Fall | 4 to 21 ft | dawn & dusk | Casting spoon, Inline spinner |
| Winter | 5 to 21 ft | dawn | Small jigging spoon, Marabou jig |
Rainbow Trout fishing at Lost Valley Reservoir
Spring rainbow trout on Lost Valley Reservoir hold shallow, usually 5 to 20 ft. They move out to 6 to 21 ft in summer and finish the year down in 4 to 21 ft. The spot to know is Break off the point, a drop-off in about 9 ft of water that rates prime for rainbow trout in winter. Plan around early morning and the evening in the warm months. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 6 to 21 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 6 to 21 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 4 to 21 ft | dawn | Jigging spoon, Tube jig (white) |
Chinook Salmon fishing at Lost Valley Reservoir
Start shallow in spring: chinook salmon sit in 3 to 21 ft that time of year. Summer fish stay in 6 to 21 ft, and winter fish hold in 6 to 21 ft. The spot to know is Deep basin, a deep basin in about 18 ft of water that rates prime for chinook salmon in summer. Best bite is early morning and the evening. Summer baits: a flasher + fly (green/white) or a magnum spoon on downrigger gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 21 ft | dawn & dusk | Trolled spoon (orange/gold), Stickbait off planer boards |
| Summer | 6 to 21 ft | dawn & dusk | Flasher + fly (green/white), Magnum spoon on downrigger |
| Fall | 4 to 21 ft | dawn & dusk | J-plug (glow), Flasher + fly |
| Winter | 6 to 21 ft | midday | Small spoon on a slow troll, Stickbait deep |
Notable structure
- Deep basin: deep basin, around 18 ft
- Break off the point: drop-off, around 9 ft
- Main-lake point: point, around 8 ft
- Secondary point: point, around 8 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is Lost Valley Reservoir?
Lost Valley Reservoir is about 21 ft (6 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Lost Valley Reservoir?
Anglers target rainbow trout, chinook salmon, cutthroat trout on Lost Valley Reservoir.
Where is the best fishing spot on Lost Valley Reservoir?
Break off the point is the top-rated area: a drop-off in about 9 ft of water that rates prime for cutthroat trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lost Valley Reservoir?
For cutthroat trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Goose Lake · Hornet Reservoir · Payette Lake · Blackwell Lake · Upper Payette Lake · Cascade Reservoir
See how Lost Valley Reservoir stacks up: best rainbow trout lakes in Idaho · best chinook salmon lakes in Idaho · best cutthroat trout lakes in Idaho
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