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Fishing Tumtum Lake: what the data says
934-acre lake near British Columbia. The lake tops out around 213 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Below is the species-by-species picture, pulled from the same data the map uses.
Rainbow Trout fishing at Tumtum Lake
Start shallow in spring: rainbow trout sit in 5 to 20 ft that time of year. By summer they slide out to 8 to 30 ft, and by winter most fish are in 8 to 40 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated good for spring rainbow trout. Best bite is early morning and the evening. 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) |
Lake Whitefish fishing at Tumtum Lake
In spring, lake whitefish run shallow here, mostly 15 to 45 ft. They move out to 40 to 90 ft in summer and finish the year down in 25 to 70 ft. If you only fish one area, make it Break off the point: a drop-off around 96 ft that scores prime in summer. Best bite is early morning. Summer baits: a blade bait vertical or a small jigging spoon gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Jigging spoon + bead chain, Tungsten jig + waxie |
Notable structure
- Deep basin: deep basin, around 181 ft
- Break off the point: drop-off, around 96 ft
- Main-lake point: point, around 53 ft
- Secondary point: point, around 53 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Tumtum Lake?
Tumtum Lake is about 213 ft (65 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Tumtum Lake?
Anglers target rainbow trout, lake whitefish on Tumtum Lake.
Where is the best fishing spot on Tumtum Lake?
Break off the point is the top-rated area: a drop-off in about 96 ft of water that rates prime for lake whitefish in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Tumtum 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
Mud Lake · Eleanor Lake · Harbour Lake · Tsikwustum Lake · Gannett Lake · Telfer Lake
See how Tumtum Lake stacks up: best rainbow trout lakes in British Columbia · best lake whitefish lakes in British Columbia
Browse all British Columbia fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.