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Fishing Morrison Lake: what the data says
21-acre lake near Montana. The lake tops out around 50 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 Morrison Lake
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. They move out to 8 to 30 ft in summer and finish the year down in 8 to 40 ft. Main-lake point is the standout, a point at roughly 10 ft, rated prime for spring rainbow trout. Plan around early morning and the evening in the warm months. 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 | 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 | 8 to 40 ft | dawn | Jigging spoon, Tube jig (white) |
Cutthroat Trout fishing at Morrison Lake
Start shallow in spring: cutthroat trout sit in 3 to 15 ft that time of year. Summer pushes them deeper, 10 to 35 ft, and winter fish settle into 10 to 40 ft. Main-lake point is the standout, a point at roughly 10 ft, rated prime for fall cutthroat trout. Plan around early morning and the evening in the warm months. Summer baits: a trolled spoon (small) or a inline spinner gets it done.
| 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 50 ft
- Break off the point: drop-off, around 49 ft
- Shallow bay flat: weed flat, around 12 ft
- Main-lake point: point, around 10 ft
Common questions
How deep is Morrison Lake?
Morrison Lake is about 50 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 Morrison Lake?
Anglers target rainbow trout, cutthroat trout on Morrison Lake.
Where is the best fishing spot on Morrison Lake?
Main-lake point is the top-rated area: a point in about 10 ft of water that rates prime for cutthroat trout in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Morrison Lake?
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
Clark Canyon Reservoir · Reservoir Lake · Kelly Reservioir · Van Houten Lake · Minneopa Lake · Sawtooth Lake
See how Morrison Lake stacks up: best rainbow trout 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.