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Fishing Thompson Lake: what the data says
7-acre stocked lake in the Anchorage area. ADF&G sonar-surveyed water with stocked rainbow trout and 1 more species. The lake tops out around 75 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 Thompson Lake
Spring rainbow trout on Thompson Lake hold shallow, usually 5 to 20 ft. Summer pushes them deeper, 8 to 30 ft, and winter fish settle into 8 to 40 ft. Best bite is early morning and the evening. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
| 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) |
Arctic Char fishing at Thompson Lake
Spring arctic char on Thompson Lake hold shallow, usually 4 to 15 ft. They move out to 20 to 60 ft in summer and finish the year down in 10 to 40 ft. The spot to know is Shallow feeding flat, a feeding flat in about 15 ft of water that rates good for arctic char in spring. Plan around early morning in the warm months. Summer baits: a jigging spoon vertical or a tube jig (smelt) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 20 to 60 ft | dawn | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 10 to 40 ft | midday & dawn | Jigging spoon (glow/silver), Tungsten jig + plastic |
Notable structure
- Shallow feeding flat: feeding flat, around 15 ft
- Shallow feeding flat: feeding flat, around 15 ft
Common questions
How deep is Thompson Lake?
Thompson Lake is about 75 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 Thompson Lake?
Anglers target rainbow trout, arctic char on Thompson Lake.
Where is the best fishing spot on Thompson Lake?
Shallow feeding flat is the top-rated area: a feeding flat in about 15 ft of water that rates good for arctic char in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Thompson 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
Clunie Lake · Walden Lake · Lower Fire Lake · Gwen Lake · Beach Lake · Otter Lake
See how Thompson Lake stacks up: best rainbow trout lakes in Alaska · best arctic char lakes in Alaska
Browse all Alaska fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.