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25-acre lake in British Columbia. The lake tops out around 38 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. What the data behind the map says about each species, season by season:
Traced from the shoreline, Bolduc Lake runs 25 acres with 0.8 miles of edge. At index 1.1 the outline is almost a bowl — read the depth changes, not the shoreline. About 29% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Figure 0.3 mi of water from one end to the other, 0.2 mi at the beam. You'll find it in Kootenay Boundary Regional District. The nearest mapped water is Jewel Lake, 2 mi to the northwest.
Start shallow in spring: rainbow trout sit in 5 to 20 ft that time of year. Summer pushes them deeper, 8 to 30 ft, and winter fish settle into 8 to 38 ft. The spot to know is Break off the point, a drop-off in about 23 ft of water that rates prime for rainbow trout in winter. Warm-month bites cluster around early morning and the evening. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.
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 | 5 to 20 ft | dawn & dusk | Main-lake point (7 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (23 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Break off the point (23 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 38 ft chart-limited; documented 8 to 40 ft | dawn | Break off the point (23 ft) | Jigging spoon, Tube jig (white) |
The spring pattern is a shallow one: kokanee in 10 to 30 ft. As the season builds they drop to 11 to 38 ft, wintering in 10 to 38 ft. Top water on the chart: Deep basin, a deep basin in the 27 ft range, prime in spring. Time it for early morning. 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 | Deep basin (27 ft) | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 11 to 38 ft chart-limited; documented 30 to 70 ft | dawn | Deep basin (27 ft) | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 38 ft chart-limited; documented 5 to 40 ft | dawn | Deep basin (27 ft) | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 10 to 38 ft chart-limited; documented 20 to 80 ft | dawn | Deep basin (27 ft) | Small glow jig + corn or maggot, Tiny spoon |
Come spring, look for lake whitefish tight to the bank in 11 to 38 ft. Through summer count on 11 to 38 ft; the winter hold is 11 to 38 ft. If you only fish one area, make it Deep basin: a deep basin around 27 ft that scores prime in summer. Best bite is 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 | 11 to 38 ft chart-limited; documented 15 to 45 ft | midday & dawn | Break off the point (23 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 11 to 38 ft chart-limited; documented 40 to 90 ft | dawn | Deep basin (27 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Break off the point (23 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 11 to 38 ft chart-limited; documented 25 to 70 ft | midday & dawn | Deep basin (27 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
The spring pattern is a shallow one: burbot in 11 to 38 ft. The depth story barely changes: 11 to 38 ft through summer, 10 to 38 ft in winter. The spot to know is Deep basin, a deep basin in about 27 ft of water that rates prime for burbot in spring. Plan around after dark and midday in the warm months. 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 | 11 to 38 ft chart-limited; documented 25 to 70 ft | night & dusk | Deep basin (27 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 11 to 38 ft chart-limited; documented 50 to 120 ft | night & midday | Deep basin (27 ft) | Heavy jig + cut bait |
| Fall | 11 to 38 ft chart-limited; documented 30 to 80 ft | night & dusk | Deep basin (27 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 10 to 38 ft chart-limited; documented 15 to 60 ft | night & dusk | Deep basin (27 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
The chart marks 4 structure features on Bolduc Lake; the deepest is Deep basin at about 27 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 Bolduc Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Bolduc Lake is about 38 ft (12 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 rainbow trout, kokanee, lake whitefish, burbot on Bolduc 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 27 ft of water that rates prime for kokanee in spring. Open the map above to see every rated spot for each species and season.
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 Bolduc 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.
Jewel Lake 2 mi · Wilgress Lake 2 mi · Xenia Lake 11 mi · Matthews Lake 13 mi · Williamson Lake 14 mi · Christina Lake 15 mi · Taurus Lake 22 mi · Hoodoo Lake 23 mi · Thone Lake 23 mi · Conkle Lake 24 mi · Pierre Lake 26 mi, WA · Upper Collier Lake 29 mi
See how Bolduc 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: Kootenay Boundary Regional District fishing maps (30 charts). Browse all British Columbia fishing maps. 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.