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Rating depth structure for rainbow trout.
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10,169-acre lake in Bulkley-Nechako Regional District, British Columbia. The lake tops out around 374 ft. What you see is a modeled chart: the shoreline is real, the max depth is published, and the contours between are estimated. Plan with it; don't navigate by it. What follows comes from the same scoring engine that paints the spots above.
On the chart, Cheslatta Lake draws 10,169 acres inside 58.6 miles of shoreline, broken up by 3 islands. That shoreline is heavily fingered (development index 4.1) — bays, points and pockets everywhere, which multiplies the fishable edge. Roughly 10% of the water is 15 ft or less as modeled, the band where the food chain lives. The basin spans about 22.1 mi end to end and 4.8 mi across at its widest. The water lies in Bulkley-Nechako Regional District. Closest neighbour on DepthScout: Chaoborus Lake, 3 mi southeast of here.
Start shallow in spring: burbot sit in 25 to 70 ft that time of year. Summer pushes them deeper, 50 to 120 ft, and winter fish settle into 15 to 60 ft. The spot to know is Offshore hump, an offshore hump in about 43 ft of water that rates prime for burbot in winter. Warm-month bites cluster around after dark and midday. Throw a heavy jig + cut bait until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Offshore hump (43 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 50 to 120 ft | night & midday | Sharp break (109 ft) | Heavy jig + cut bait |
| Fall | 30 to 80 ft | night & dusk | Offshore hump (43 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Offshore hump (43 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Start shallow in spring: kokanee sit in 10 to 30 ft that time of year. Warm water sends them out to 30 to 70 ft; cold water stacks them in 20 to 80 ft. Top water on the chart: Offshore hump, an offshore hump in the 43 ft range, prime in summer. Fish it in early morning and you'll meet the bite. Throw a dodger + pink/orange squid on downrigger or a kokanee bug + corn until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Offshore hump (25 ft) | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 30 to 70 ft | dawn | Offshore hump (43 ft) | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | Sharp break (33 ft) | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 20 to 80 ft | dawn | Offshore hump (43 ft) | Small glow jig + corn or maggot, Tiny spoon |
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. Summer pushes them deeper, 50 to 120 ft, and winter fish settle into 20 to 80 ft. The spot to know is Offshore hump, an offshore hump in about 43 ft of water that rates prime for lake trout in winter. Warm-month bites cluster around early morning. Throw a white tube jig (deep) or a magnum spoon on downrigger until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Sharp break (33 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 50 to 120 ft | dawn | Sharp break (109 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Offshore hump (43 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | Offshore hump (43 ft) | White tube jig, Airplane jig |
The spring pattern is a shallow one: rainbow trout in 5 to 20 ft. Midsummer fish sit out in 8 to 30 ft before dropping to 8 to 40 ft for winter. The spot to know is Sharp break, a drop-off in about 33 ft of water that rates prime for rainbow trout in winter. Plan around early morning and the evening in the warm months. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Shallow bay flat (6 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Sharp break (33 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Sharp break (33 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Sharp break (33 ft) | Jigging spoon, Tube jig (white) |
When the water first warms, lake whitefish slide up into 15 to 45 ft. By summer they slide out to 40 to 90 ft, and by winter most fish are in 25 to 70 ft. If you only fish one area, make it Offshore hump: an offshore hump around 43 ft that scores prime in summer. In summer the feeding windows fall in early morning. Keep a blade bait vertical or a small jigging spoon rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Offshore hump (43 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Offshore hump (43 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Offshore hump (25 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Offshore hump (43 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Cheslatta Lake carries 14 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 318 ft down.
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 Cheslatta Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Cheslatta Lake is about 374 ft (114 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 burbot, kokanee, lake trout, rainbow trout, lake whitefish on Cheslatta Lake.
Offshore hump is the top-rated area: an offshore hump in about 43 ft of water that rates prime for burbot in winter. Scroll up to the map for the complete spot list by species and season.
For burbot, the summer bite is best in after dark and midday. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Cheslatta 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.
Chaoborus Lake 3 mi · Mackenzie Lake 5 mi · Smith Lake 6 mi · Knapp Lake 7 mi · Davidson Lake 7 mi · Sather Lake 8 mi · Wapoose Lake 8 mi · Ootsanee Lake 9 mi · Bird Lake 9 mi · Sam Hardy Lake 10 mi · Getzuni Lake 12 mi · Binta Lake 12 mi
See how Cheslatta Lake stacks up: best rainbow trout lakes in British Columbia · best lake trout lakes in British Columbia · best kokanee lakes in British Columbia · best lake whitefish lakes in British Columbia
More water nearby: Bulkley-Nechako Regional District fishing maps (324 charts). Browse all British Columbia fishing maps or 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.