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Fishing Upper Twin Lake (Ravalli): what the data says
30-acre lake near Montana. The lake tops out around 26 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.
Walleye fishing at Upper Twin Lake (Ravalli)
Start shallow in spring: walleye sit in 4 to 15 ft that time of year. By summer they slide out to 8 to 26 ft, and by winter most fish are in 8 to 26 ft. The spot to know is Deep basin, a deep basin in about 25 ft of water that rates prime for walleye in winter. Plan around the evening and early morning in the warm months. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 8 to 26 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 8 to 26 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 8 to 26 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Northern Pike fishing at Upper Twin Lake (Ravalli)
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. Summer pushes them deeper, 8 to 20 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 6 ft that scores prime in fall. Plan around early morning and the evening in the warm months. A bucktail or a weedless spoon over cabbage covers the summer program.
| 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 |
Yellow Perch fishing at Upper Twin Lake (Ravalli)
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. They move out to 8 to 26 ft in summer and finish the year down in 8 to 26 ft. If you only fish one area, make it Deep basin: a deep basin around 25 ft that scores prime in fall. Best bite is early morning. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 8 to 26 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 8 to 26 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 8 to 26 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Smallmouth Bass fishing at Upper Twin Lake (Ravalli)
In spring, smallmouth bass run shallow here, mostly 3 to 12 ft. By summer they slide out to 8 to 26 ft, and by winter most fish are in 8 to 26 ft. The spot to know is Break off the point, a drop-off in about 6 ft of water that rates prime for smallmouth bass in winter. Best bite is early morning and the evening. A drop shot (goby/minnow) or a ned rig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 8 to 26 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 8 to 26 ft | midday | Blade bait, Hair jig |
Rainbow Trout fishing at Upper Twin Lake (Ravalli)
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. Summer pushes them deeper, 7 to 26 ft, and winter fish settle into 5 to 26 ft. The spot to know is Break off the point, a drop-off in about 6 ft of water that rates prime for rainbow trout in winter. 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 | 7 to 26 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 7 to 26 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 5 to 26 ft | dawn | Jigging spoon, Tube jig (white) |
Lake Trout fishing at Upper Twin Lake (Ravalli)
In spring, lake trout run shallow here, mostly 7 to 26 ft. Summer fish stay in 8 to 26 ft, and winter fish hold in 7 to 26 ft. Deep basin is the standout, a deep basin at roughly 25 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 | 7 to 26 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 8 to 26 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 5 to 26 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 7 to 26 ft | dawn | White tube jig, Airplane jig |
Upper Twin Lake (Ravalli) 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.
Notable structure
- Deep basin: deep basin, around 25 ft
- Break off the point: drop-off, around 6 ft
- Secondary point: point, around 5 ft
- Main-lake point: point, around 4 ft
Common questions
How deep is Upper Twin Lake (Ravalli)?
Upper Twin Lake (Ravalli) is about 26 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 Upper Twin Lake (Ravalli)?
Anglers target smallmouth bass, walleye, northern pike, crappie, channel catfish, rainbow trout, yellow perch, lake trout on Upper Twin Lake (Ravalli).
Where is the best fishing spot on Upper Twin Lake (Ravalli)?
Deep basin is the top-rated area: a deep basin in about 25 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 Upper Twin Lake (Ravalli)?
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.
Nearby waters
Bitterroot River · Cedar Log Lake, South · Surveyor Lake · Cedar Log Lake, North · Siamese Lake, Lower · Siamese Lake, Upper
See how Upper Twin Lake (Ravalli) 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.