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Fishing Katahdin Lake: what the data says
650-acre lake near T3 R8 WELS. The lake tops out around 28 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.
Brook Trout fishing at Katahdin Lake
Spring brook trout on Katahdin Lake hold shallow, usually 2 to 15 ft. They move out to 8 to 28 ft in summer and finish the year down in 3 to 20 ft. The spot to know is South Turner Brook inflow, a inflow / creek mouth in about 2 ft of water that rates prime for brook trout in spring. Plan around early morning and the evening in the warm months. Summer baits: a small spoon fished deep or a trolled lake-clear wobbler + worm gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Small inline spinner (gold), Tiny spoon |
| Summer | 8 to 28 ft | dawn & dusk | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Small jigging spoon, Tungsten jig + plastic |
Notable structure
- Deep basin: deep basin, around 28 ft
- Break off the point: drop-off, around 11 ft
- Old creek channel: creek channel, around 9 ft
- Shallow bay flat: weed flat, around 7 ft
- Secondary point: point, around 3 ft
- Back-bay flat: weed flat, around 3 ft
- Main-lake point: point, around 2 ft
- South Turner Brook inflow: inflow / creek mouth, around 2 ft
Common questions
How deep is Katahdin Lake?
Katahdin Lake is about 28 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 Katahdin Lake?
Anglers target brook trout on Katahdin Lake.
Where is the best fishing spot on Katahdin Lake?
South Turner Brook inflow is the top-rated area: a inflow / creek mouth in about 2 ft of water that rates prime for brook trout in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Katahdin Lake?
For brook 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
Sandy Stream Pond · Whidden Pond #1 · Little Hathorn Pond · Basin Pond (Lower) · Basin Pond (Upper) · Messer Pond
See how Katahdin Lake stacks up: best brook trout lakes in Maine
Browse all Maine fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.