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Fishing Long Lake (Park): what the data says
14-acre lake near Montana. The lake tops out around 20 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.
Rainbow Trout fishing at Long Lake (Park)
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. Summer fish stay in 5 to 20 ft, and winter fish hold in 4 to 20 ft. The spot to know is Break off the point, a drop-off in about 18 ft of water that rates prime for rainbow trout in winter. In summer the feeding windows fall in 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 | 5 to 20 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 5 to 20 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 6 to 20 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 4 to 20 ft | dawn | Jigging spoon, Tube jig (white) |
Yellow Perch fishing at Long Lake (Park)
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. By summer they slide out to 6 to 20 ft, and by winter most fish are in 6 to 20 ft. If you only fish one area, make it Deep basin: a deep basin around 20 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 | 6 to 20 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 6 to 20 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 6 to 20 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Smallmouth Bass fishing at Long Lake (Park)
Start shallow in spring: smallmouth bass sit in 3 to 12 ft that time of year. By summer they slide out to 6 to 20 ft, and by winter most fish are in 6 to 20 ft. The spot to know is Main-lake point, a point in about 10 ft of water that rates prime for smallmouth bass in fall. Plan around early morning and the evening in the warm months. Tie on a drop shot (goby/minnow) or a ned rig and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 6 to 20 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 6 to 20 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 6 to 20 ft | midday | Blade bait, Hair jig |
Notable structure
- Deep basin: deep basin, around 20 ft
- Break off the point: drop-off, around 18 ft
- Main-lake point: point, around 10 ft
- Shallow bay flat: weed flat, around 2 ft
Common questions
How deep is Long Lake (Park)?
Long Lake (Park) is about 20 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 Long Lake (Park)?
Anglers target smallmouth bass, rainbow trout, yellow perch on Long Lake (Park).
Where is the best fishing spot on Long Lake (Park)?
Deep basin is the top-rated area: a deep basin in about 20 ft of water that rates prime for yellow perch in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Long Lake (Park)?
For rainbow 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
Round Lake · Huckleberry Lake · Corner Lake · Lady Of The Lake · Goose Lake · Zimmer Lake
See how Long Lake (Park) stacks up: best smallmouth bass lakes in Montana · best rainbow trout lakes in Montana · best yellow perch 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.