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Fishing Treasureton Reservoir: what the data says
152-acre reservoir near Franklin. The lake tops out around 13 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 Treasureton Reservoir
In spring, cutthroat trout run shallow here, mostly 3 to 13 ft. Summer fish stay in 4 to 13 ft, and winter fish hold in 3 to 13 ft. The spot to know is Break off the point, a drop-off in about 6 ft of water that rates prime for cutthroat trout in summer. In summer the feeding windows fall in early morning and the evening. Summer baits: a trolled spoon (small) or a inline spinner gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 13 ft | dawn & dusk | Inline spinner (silver/gold), Small spoon |
| Summer | 4 to 13 ft | dawn & dusk | Trolled spoon (small), Inline spinner |
| Fall | 3 to 13 ft | dawn & dusk | Casting spoon, Inline spinner |
| Winter | 3 to 13 ft | dawn | Small jigging spoon, Marabou jig |
Brook Trout fishing at Treasureton Reservoir
Spring brook trout on Treasureton Reservoir hold shallow, usually 2 to 13 ft. Summer fish stay in 4 to 13 ft, and winter fish hold in 2 to 13 ft. The spot to know is Deep basin, a deep basin in about 11 ft of water that rates prime for brook trout in summer. In summer the feeding windows fall in early morning and the evening. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 13 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 4 to 13 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 13 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 2 to 13 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Rainbow Trout fishing at Treasureton Reservoir
In spring, rainbow trout run shallow here, mostly 3 to 13 ft. Summer fish stay in 3 to 13 ft, and winter fish hold in 3 to 13 ft. Break off the point is the standout, a drop-off at roughly 6 ft, rated prime for winter rainbow trout. Best bite is early morning and the evening. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 13 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 3 to 13 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 4 to 13 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 3 to 13 ft | dawn | Jigging spoon, Tube jig (white) |
Notable structure
- Deep basin: deep basin, around 11 ft
- Main-lake point: point, around 8 ft
- Secondary point: point, around 8 ft
- Break off the point: drop-off, around 6 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is Treasureton Reservoir?
Treasureton Reservoir is about 13 ft (4 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 Treasureton Reservoir?
Anglers target rainbow trout, brook trout, cutthroat trout on Treasureton Reservoir.
Where is the best fishing spot on Treasureton Reservoir?
Break off the point is the top-rated area: a drop-off in about 6 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 Treasureton 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
Foster Reservoir · Lamont Reservoir · Oneida Narrows Reservoir · Bear Lake · Chesterfield Reservoir · Stone Reservoir
See how Treasureton Reservoir stacks up: best rainbow trout lakes in Idaho · best brook trout lakes in Idaho · best cutthroat trout lakes in Idaho
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