Lake depth chart
Today's read
Rating depth structure for rainbow trout.
Shared by DepthScout anglers. Exact spots stay private, always.
7,404-acre lake near Omineca, BC. The lake tops out around 213 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The rest of this page walks each species through its year, using the map's own scoring.
Cunningham Lake maps at 7,761 acres behind 48.9 miles of shoreline, with 12 islands in the mix. With a shoreline index of 4, this water is all arms and coves — edge habitat well beyond its acreage. Littoral water — the productive band under ~15 ft — makes up 8% of this chart. The basin spans about 12.3 mi end to end and 2.3 mi across at its widest. It sits in Bulkley-Nechako Regional District. If the bite dies, Rubyrock Lake is 4 mi to the north.
When the water first warms, burbot slide up into 25 to 70 ft. By summer they slide out to 50 to 120 ft, and by winter most fish are in 15 to 60 ft. If you only fish one area, make it Offshore hump: an offshore hump around 24 ft that scores prime in winter. In summer the feeding windows fall in after dark and midday. Keep a heavy jig + cut bait rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Offshore hump (24 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 50 to 120 ft | night & midday | Deep basin (197 ft) | Heavy jig + cut bait |
| Fall | 30 to 80 ft | night & dusk | Offshore hump (24 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Offshore hump (24 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Early season kokanee use the shallows, holding in 10 to 30 ft. Expect a summer slide to 30 to 70 ft, then a winter hold in 20 to 80 ft. Put Offshore hump first on the milk run — an offshore hump near 24 ft that grades prime for winter. In summer the feeding windows fall in early morning. Tie on a dodger + pink/orange squid on downrigger or a kokanee bug + corn and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Offshore hump (24 ft) | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 30 to 70 ft | dawn | Offshore hump (24 ft) | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | open water | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 20 to 80 ft | dawn | Offshore hump (24 ft) | Small glow jig + corn or maggot, Tiny spoon |
When the water first warms, lake trout slide up into 10 to 40 ft. By summer they slide out to 50 to 120 ft, and by winter most fish are in 20 to 80 ft. If you only fish one area, make it Offshore hump: an offshore hump around 24 ft that scores prime in winter. In summer the feeding windows fall in early morning. Keep a white tube jig (deep) or a magnum spoon on downrigger rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Main-lake point (17 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 50 to 120 ft | dawn | Offshore hump (24 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Offshore hump (24 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | Offshore hump (24 ft) | White tube jig, Airplane jig |
Spring rainbow trout on Cunningham Lake hold shallow, usually 5 to 20 ft. By summer they slide out to 8 to 30 ft, and by winter most fish are in 8 to 40 ft. The chart's best answer is Main-lake point — point, 17 ft, prime for spring. Prime time lands in early morning and the evening. The summer box starts with a dodger + spoon (deep troll) or a flutter spoon.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (17 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Rock reef (6 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (17 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Rock reef (6 ft) | Jigging spoon, Tube jig (white) |
Start shallow in spring: lake whitefish sit in 15 to 45 ft that time of year. Summer pushes them deeper, 40 to 90 ft, and winter fish settle into 25 to 70 ft. The spot to know is Rock reef, a rock pile in about 6 ft of water that rates prime for lake whitefish in fall. Warm-month bites cluster around early morning. Throw a blade bait vertical or a small jigging spoon until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Offshore hump (24 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Feeding flat (49 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Rock reef (6 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Offshore hump (24 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Structure-wise the chart holds 15 features, led in depth by Deep basin at roughly 197 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 Cunningham Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Cunningham Lake is about 213 ft (65 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target burbot, kokanee, lake trout, rainbow trout, lake whitefish on Cunningham Lake.
Offshore hump is the top-rated area: an offshore hump in about 24 ft of water that rates prime for burbot in winter. Every other rated spot, per species and season, is on the map above.
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 Cunningham 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.
Rubyrock Lake 4 mi · Mckelvey Lake 12 mi · Henrietta Lake 15 mi · Whitefish Lake 15 mi · Fleming Lake 15 mi · Tomas Lake 16 mi · Trembleur Lake 16 mi · Augier Lake 16 mi · Camsell Lake 17 mi · Tarnezell Lake 18 mi · Tandat Lake 19 mi · Pinkut Lake 19 mi
See how Cunningham 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. Bathymetry: published agency survey data. 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.