Lake depth chart
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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
130-acre lake in British Columbia. The lake tops out around 71 ft. The depth picture is modeled, anchored to the true shoreline and the water's published max depth — a scouting aid, never a chart to run a boat by. Species by species, here's what the data says the year looks like.
Drawn out, this is 130 acres of water rimmed by 2.6 miles of bank. Index 1.6 on the shoreline: a few honest points and pockets, nothing labyrinthine. The shallow band under 15 ft claims about 47% of the surface on the model — that's where the groceries are. Call it 1 mi long by 0.4 mi wide at the broadest reach. The water lies in Bulkley-Nechako Regional District. The nearest mapped water is Fable Lake, 1 mi to the northeast.
Start shallow in spring: rainbow trout sit in 5 to 20 ft that time of year. Warm water sends them out to 8 to 30 ft; cold water stacks them in 8 to 40 ft. Top water on the chart: Break off the point, a drop-off in the 32 ft range, prime in winter. Fish it in early morning and the evening and you'll meet the bite. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (18 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (32 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (32 ft) | Jigging spoon, Tube jig (white) |
The spring pattern is a shallow one: kokanee in 10 to 30 ft. Midsummer fish sit out in 30 to 70 ft before dropping to 18 to 71 ft for winter. The spot to know is Deep basin, a deep basin in about 60 ft of water that rates prime for kokanee in summer. Plan around early morning in the warm months. Summer baits: a dodger + pink/orange squid on downrigger or a kokanee bug + corn gets it done.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Break off the point (32 ft) | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 30 to 70 ft | dawn | Deep basin (60 ft) | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | Break off the point (32 ft) | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 18 to 71 ft chart-limited; documented 20 to 80 ft | dawn | Deep basin (60 ft) | Small glow jig + corn or maggot, Tiny spoon |
Come spring, look for lake whitefish tight to the bank in 15 to 45 ft. Expect a summer slide to 21 to 71 ft, then a winter hold in 25 to 70 ft. Start at Deep basin. It's a deep basin holding about 60 ft of water and rates prime come summer. Prime time lands in early morning. A blade bait vertical or a small jigging spoon is the honest summer answer here.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Break off the point (32 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 21 to 71 ft chart-limited; documented 40 to 90 ft | dawn | Deep basin (60 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Main-lake point (18 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Deep basin (60 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
The spring pattern is a shallow one: burbot in 25 to 70 ft. As the season builds they drop to 21 to 71 ft, wintering in 15 to 60 ft. Top water on the chart: Deep basin, a deep basin in the 60 ft range, prime in spring. Time it for after dark and midday. Summer baits: a heavy jig + cut bait gets it done.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Deep basin (60 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 21 to 71 ft chart-limited; documented 50 to 120 ft | night & midday | Deep basin (60 ft) | Heavy jig + cut bait |
| Fall | 21 to 71 ft chart-limited; documented 30 to 80 ft | night & dusk | Deep basin (60 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Deep basin (60 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 60 ft.
Season dates, license requirements, and size and bag limits for British Columbia waters are set by the BC freshwater fishing synopsis — and special regulations can apply to Tom Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Tom Lake is about 71 ft (22 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.
Anglers target rainbow trout, kokanee, lake whitefish, burbot on Tom Lake. This isn't a survey of the water — none is published for it — but an informed estimate from the species common to the region, narrowed by this water's depth, size and each species' range.
Deep basin is the top-rated area: a deep basin in about 60 ft of water that rates prime for kokanee in summer. Every other rated spot, per species and season, is on the map above.
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.
Fishing on Tom Lake is regulated by the BC freshwater fishing synopsis. Check the official British Columbia regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Fable Lake 1 mi · Byrnes Lake 2 mi · Humphrey Lake 3 mi · Silver Lake 4 mi · Academus Lake 11 mi · Calais Lake 17 mi · Takla Lake 19 mi · Albert Lake 20 mi · Dukaihoonli Lake 21 mi · Electra Lake 22 mi · Dia Lake 24 mi · Germansen Lake 30 mi
See how Tom Lake stacks up: best rainbow trout lakes in British Columbia · best kokanee lakes in British Columbia · best lake whitefish lakes in British Columbia · best burbot lakes in British Columbia
More water nearby: Bulkley-Nechako Regional District fishing maps (324 charts). Browse all British Columbia fishing maps. See every water on DepthScout. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.