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Rating depth structure for lake whitefish.
Recent public catches load as you reach this section.
1,512-acre lake in Bulkley-Nechako Regional District, British Columbia. The lake tops out around 105 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.
Traced from the shoreline, Tahultzu Lake runs 1,513 acres with 13.4 miles of edge. A development index of 2.5 means a maze of bays and points: far more casting targets than a round bowl of the same size. Roughly 11% of the water is 15 ft or less as modeled, the band where the food chain lives. End to end it runs roughly 4.9 mi, about 1.1 mi across. The water lies in Bulkley-Nechako Regional District. The nearest mapped water is Bungalow Lake, 4 mi to the south.
In spring, burbot run shallow here, mostly 25 to 70 ft. Summer pushes them deeper, 32 to 105 ft, and winter fish settle into 15 to 60 ft. Deep basin is the standout, a deep basin at roughly 89 ft, rated prime for summer burbot. Time it for after dark and midday. You won't need more than a heavy jig + cut bait most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Deep basin (89 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 32 to 105 ft | night & midday | Deep basin (89 ft) | Heavy jig + cut bait |
| Fall | 30 to 80 ft | night & dusk | Deep basin (89 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Deep basin (89 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Spring lake whitefish on Tahultzu Lake hold shallow, usually 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. The chart's best answer is Deep basin — deep basin, 89 ft, prime for summer. Prime time lands in early morning. The summer box starts with a blade bait vertical or a small jigging spoon.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Shallow bay flat (6 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Deep basin (89 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Main-lake point (26 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Deep basin (89 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Count 5 structure marks on this chart. The deepest, Deep basin, sits near 89 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 Tahultzu Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Tahultzu Lake is about 105 ft (32 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, lake whitefish on Tahultzu Lake.
Deep basin is the top-rated area: a deep basin in about 89 ft of water that rates prime for burbot in summer. The map above holds the full rated-spot list for every 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 Tahultzu 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.
Bungalow Lake 4 mi · Triangle Lake 5 mi · Hallett Lake 5 mi · Dorman Lake 5 mi · Laurie Lake 8 mi · Copley Lake 8 mi · Bentzi Lake 9 mi · Foster Lakes 11 mi · Cabin Lake 12 mi · Leg Lake 13 mi · Drywilliam Lake 14 mi · Boomerang Lake 15 mi
See how Tahultzu Lake stacks up: 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 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.