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Fishing Ashley Lake: what the data says
2,700-acre lake near Kalispell. The lake tops out around 200 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What follows comes from the same scoring engine that paints the spots above.
Kokanee fishing at Ashley Lake
Start shallow in spring: kokanee sit in 10 to 30 ft that time of year. Summer pushes them deeper, 30 to 70 ft, and winter fish settle into 20 to 80 ft. If you only fish one area, make it Break off the point: a drop-off around 23 ft that scores prime in spring. Best bite is early morning. A dodger + pink/orange squid on downrigger or a kokanee bug + corn covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 30 to 70 ft | dawn | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 20 to 80 ft | dawn | Small glow jig + corn or maggot, Tiny spoon |
Yellow Perch fishing at Ashley Lake
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 10 ft of water that rates prime for yellow perch in spring. In summer the feeding windows fall in early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Cutthroat Trout fishing at Ashley Lake
Start shallow in spring: cutthroat trout sit in 3 to 15 ft that time of year. By summer they slide out to 10 to 35 ft, and by winter most fish are in 10 to 40 ft. If you only fish one area, make it Break off the point: a drop-off around 23 ft that scores prime in summer. In summer the feeding windows fall in early morning and the evening. 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 | 10 to 35 ft | dawn & dusk | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Small jigging spoon, Marabou jig |
Notable structure
- Deep basin: deep basin, around 200 ft
- Feeding flat: feeding flat, around 50 ft
- Main-lake point: point, around 38 ft
- Secondary point: point, around 31 ft
- Break off the point: drop-off, around 23 ft
- Back-bay flat: weed flat, around 15 ft
- Shallow bay flat: weed flat, around 10 ft
Common questions
How deep is Ashley Lake?
Ashley Lake is about 200 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Ashley Lake?
Anglers target yellow perch, kokanee, cutthroat trout on Ashley Lake.
Where is the best fishing spot on Ashley Lake?
Shallow bay flat is the top-rated area: a weed flat in about 10 ft of water that rates prime for yellow perch in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Ashley Lake?
For kokanee, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Rogers Lake · Little Bitterroot Lake · Tally Lake · Bootjack Lake (Flathead) · Foy Lake · Sylvia Lake
See how Ashley Lake stacks up: best yellow perch lakes in Montana · best kokanee lakes in Montana · best cutthroat trout lakes in Montana
Browse all Montana fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.