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Fishing Spencer Lake: what the data says
25-acre lake near Montana. The lake tops out around 15 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. Here is how the season plays out for each species, straight from the data behind the map.
Largemouth Bass fishing at Spencer Lake
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. Summer pushes them deeper, 5 to 15 ft, and winter fish settle into 5 to 15 ft. Main-lake point is the standout, a point at roughly 5 ft, rated prime for fall largemouth bass. In summer the feeding windows fall in early morning and the evening. A texas-rigged 10" worm or a deep-diving crankbait covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 5 to 15 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 5 to 15 ft | midday | Blade bait, Jigging spoon |
Yellow Perch fishing at Spencer Lake
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. By summer they slide out to 5 to 15 ft, and by winter most fish are in 5 to 15 ft. If you only fish one area, make it Deep basin: a deep basin around 15 ft that scores prime in fall. In summer the feeding windows fall in early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 5 to 15 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 5 to 15 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 5 to 15 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Northern Pike fishing at Spencer Lake
Spring northern pike on Spencer Lake hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 5 to 15 ft, and winter fish settle into 5 to 15 ft. If you only fish one area, make it Break off the point: a drop-off around 10 ft that scores prime in fall. Plan around early morning and the evening in the warm months. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 5 to 15 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 5 to 15 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Cutthroat Trout fishing at Spencer Lake
In spring, cutthroat trout run shallow here, mostly 3 to 15 ft. Summer fish stay in 4 to 15 ft, and winter fish hold in 4 to 15 ft. If you only fish one area, make it Break off the point: a drop-off around 10 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 | 4 to 15 ft | dawn & dusk | Trolled spoon (small), Inline spinner |
| Fall | 3 to 15 ft | dawn & dusk | Casting spoon, Inline spinner |
| Winter | 4 to 15 ft | dawn | Small jigging spoon, Marabou jig |
Pumpkinseed fishing at Spencer Lake
In spring, pumpkinseed run shallow here, mostly 1 to 8 ft. They move out to 2 to 10 ft in summer and finish the year down in 5 to 15 ft. The spot to know is Deep basin, a deep basin in about 15 ft of water that rates prime for pumpkinseed in winter. In summer the feeding windows fall in the evening and early morning. Tie on a micro tube or a sponge spider (fly) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Micro jig + waxworm, Small spoon tipped |
| Winter | 5 to 15 ft | dawn | Tungsten ice jig + plastic, Tiny spoon |
Notable structure
- Deep basin: deep basin, around 15 ft
- Break off the point: drop-off, around 10 ft
- Secondary point: point, around 9 ft
- Main-lake point: point, around 5 ft
Common questions
How deep is Spencer Lake?
Spencer Lake is about 15 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 Spencer Lake?
Anglers target largemouth bass, northern pike, yellow perch, cutthroat trout, pumpkinseed on Spencer Lake.
Where is the best fishing spot on Spencer Lake?
Main-lake point is the top-rated area: a point in about 5 ft of water that rates prime for largemouth bass in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Spencer Lake?
For largemouth bass, 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
Skyles Lake · Beaver Lake · Little Beaver Lake · Blanchard Lake · Murray Lake · Woods Lake
See how Spencer Lake stacks up: best largemouth bass lakes in Montana · best northern pike lakes in Montana · best yellow perch 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.