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10-acre lake near Montana. The lake tops out around 35 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.
In spring, walleye run shallow here, mostly 4 to 15 ft. Summer pushes them deeper, 15 to 35 ft, and winter fish settle into 11 to 35 ft. Deep basin is the standout, a deep basin at roughly 34 ft, rated prime for winter walleye. Best bite is the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 11 to 35 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 11 to 35 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Spring northern pike on Fly Lake (Missoula) hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 11 ft, rated prime for winter northern pike. Best bite is early morning and the evening. 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 | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Spring yellow perch on Fly Lake (Missoula) hold shallow, usually 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 11 ft of water that rates prime for yellow perch in spring. Best bite is 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) |
In spring, smallmouth bass run shallow here, mostly 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 11 to 35 ft. Deep basin is the standout, a deep basin at roughly 34 ft, rated good for winter smallmouth bass. 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 | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 11 to 35 ft | midday | Blade bait, Hair jig |
Spring rainbow trout on Fly Lake (Missoula) hold shallow, usually 5 to 20 ft. By summer they slide out to 8 to 30 ft, and by winter most fish are in 7 to 35 ft. Deep basin is the standout, a deep basin at roughly 34 ft, rated prime for winter rainbow trout. Plan around early morning and the evening in the warm months. 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 | 8 to 30 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 7 to 35 ft | dawn | Jigging spoon, Tube jig (white) |
In spring, lake trout run shallow here, mostly 9 to 35 ft. Summer fish stay in 11 to 35 ft, and winter fish hold in 9 to 35 ft. Deep basin is the standout, a deep basin at roughly 34 ft, rated prime for summer lake trout. Best bite is early morning. Tie on a white tube jig (deep) or a magnum spoon on downrigger and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 9 to 35 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 11 to 35 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 7 to 35 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 9 to 35 ft | dawn | White tube jig, Airplane jig |
Fly Lake (Missoula) also holds crappie (10 to 25 ft in summer), channel catfish (8 to 25 ft in summer). Pick any of them on the map above for rated spots and bait picks.
How deep is Fly Lake (Missoula)?
Fly Lake (Missoula) is about 35 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 Fly Lake (Missoula)?
Anglers target smallmouth bass, walleye, northern pike, crappie, channel catfish, rainbow trout, yellow perch, lake trout on Fly Lake (Missoula).
Where is the best fishing spot on Fly Lake (Missoula)?
Deep basin is the top-rated area: a deep basin in about 34 ft of water that rates prime for walleye in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Fly Lake (Missoula)?
For walleye, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
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See how Fly Lake (Missoula) stacks up: best smallmouth bass lakes in Montana · best walleye lakes in Montana · best northern pike lakes in Montana · best crappie 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.