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Fishing Chesterfield Reservoir: what the data says
1,246-acre reservoir near Caribou. 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 Chesterfield Reservoir
In spring, cutthroat trout run shallow here, mostly 3 to 15 ft. Summer pushes them deeper, 6 to 21 ft, and winter fish settle into 5 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 cutthroat trout in summer. Plan around early morning and the evening in the warm months. A trolled spoon (small) or a inline spinner covers the summer program.
| 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 |
Brown Trout fishing at Chesterfield Reservoir
Start shallow in spring: brown trout sit in 3 to 21 ft that time of year. Summer fish stay in 6 to 21 ft, and winter fish hold in 3 to 21 ft. If you only fish one area, make it Break off the point: a drop-off around 9 ft that scores prime in summer. In summer the feeding windows fall in after dark and early morning. A spoon at the thermocline or a deep stickbait (night) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 21 ft | dawn & dusk | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 6 to 21 ft | night & dawn | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 4 to 21 ft | dusk & dawn | Jerkbait over gravel, Casting spoon |
| Winter | 3 to 21 ft | dawn | Jigging spoon, Small stickbait (slow) |
Rainbow Trout fishing at Chesterfield Reservoir
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. By summer they slide out to 6 to 21 ft, and by winter most fish are in 4 to 21 ft. If you only fish one area, make it Break off the point: a drop-off around 9 ft that scores prime in winter. In summer the feeding windows fall in early morning and the evening. A dodger + spoon (deep troll) or a flutter spoon covers the summer program.
| 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 Chesterfield 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. If you only fish one area, make it Deep basin: a deep basin around 18 ft that scores prime in summer. Plan around early morning and the evening in the warm months. A flasher + fly (green/white) or a magnum spoon on downrigger covers the summer program.
| 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 Chesterfield Reservoir?
Chesterfield 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 Chesterfield Reservoir?
Anglers target rainbow trout, chinook salmon, brown trout, cutthroat trout on Chesterfield Reservoir.
Where is the best fishing spot on Chesterfield 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 Chesterfield 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
Oneida Narrows Reservoir · Treasureton Reservoir · Foster Reservoir · American Falls Reservoir · Snake River (South Fork) · Lamont Reservoir
See how Chesterfield Reservoir stacks up: best rainbow trout lakes in Idaho · best chinook salmon lakes in Idaho · best brown trout lakes in Idaho · best cutthroat trout lakes in Idaho
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