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Rating depth structure for lake trout.
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154-acre lake in Bulkley-Nechako Regional District, British Columbia. The lake tops out around 38 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. Every species below gets its seasonal read from the same numbers driving the chart.
On the chart, Byrnes Lake draws 154 acres inside 2.6 miles of shoreline. The shoreline is moderately structured (index 1.5) — enough points and pockets to pattern. 62% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water. Tip to tip the water measures near 1.2 mi with a 0.3-mi widest point. The water lies in Bulkley-Nechako Regional District. Closest neighbour on DepthScout: Fable Lake, 1 mi west of here.
Spring puts lake trout in skinny water — 10 to 38 ft is the zone. Summer fish stay in 11 to 38 ft, and winter fish hold in 10 to 38 ft. Summer lake trout concentrate at Deep basin, a prime-rated deep basin around 32 ft. Warm-month bites cluster around early morning. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 38 ft | dawn & dusk | Main-lake point (10 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 11 to 38 ft | dawn | Deep basin (32 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 8 to 38 ft | dusk & dawn | Main-lake point (10 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 10 to 38 ft | dawn | Deep basin (32 ft) | White tube jig, Airplane jig |
Early season lake whitefish use the shallows, holding in 11 to 38 ft. Even in summer they hold at 11 to 38 ft; winter keeps them in 11 to 38 ft. Put Deep basin first on the milk run — a deep basin near 32 ft that grades prime for summer. In summer the feeding windows fall in early morning. Tie on a blade bait vertical or a small jigging spoon and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 11 to 38 ft | midday & dawn | Break off the point (17 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 11 to 38 ft | dawn | Deep basin (32 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Break off the point (17 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 11 to 38 ft | midday & dawn | Deep basin (32 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Byrnes Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 32 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 Byrnes Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Byrnes Lake is about 38 ft (12 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 lake trout, lake whitefish on Byrnes Lake.
Deep basin is the top-rated area: a deep basin in about 32 ft of water that rates prime for lake trout in summer. Every other rated spot, per species and season, is on the map above.
For lake trout, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Byrnes 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 · Silver Lake 2 mi · Tom Lake 2 mi · Humphrey Lake 5 mi · Academus Lake 14 mi · Calais Lake 17 mi · Albert Lake 20 mi · Dukaihoonli Lake 21 mi · Takla Lake 21 mi · Electra Lake 22 mi · Dia Lake 23 mi · Germansen Lake 28 mi
See how Byrnes Lake stacks up: best lake trout 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.