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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
1,092-acre lake in Cariboo Regional District, British Columbia. The lake tops out around 168 ft. This chart interpolates between a real shoreline and a known maximum depth. It will point you at likely water, but it is not a navigation product. The season-by-season read for each species follows, from the map's own numbers.
The outline encloses 1,092 acres, worked by 7.1 miles of shoreline, with a single island in the mix. A middling shoreline index (1.5) gives it some bays to work without being a maze. 21% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water. The basin spans about 2.3 mi end to end and 1.4 mi across at its widest. It sits in Cariboo Regional District. Elkin Lake sits 4 mi northeast — the closest neighbouring chart.
When the water first warms, rainbow trout slide up into 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. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores good in spring. In summer the feeding windows fall in early morning and the evening. Keep a dodger + spoon (deep troll) or a flutter spoon rigged through the warm months.
| 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 | Shallow bay flat (6 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (42 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (76 ft) | Jigging spoon, Tube jig (white) |
Count 6 structure marks on this chart. The deepest, Deep basin, sits near 143 ft.
Access data: British Columbia Recreation Sites and Trails - Recreation Sites Subset. Confirm conditions and fees locally before you launch.
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 Chaunigan Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Chaunigan Lake is about 168 ft (51 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 rainbow trout on Chaunigan Lake.
Shallow bay flat is the top-rated area: a weed flat in about 6 ft of water that rates good for rainbow trout in spring. The interactive chart above rates every 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 Chaunigan 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.
Elkin Lake 4 mi · Vedan Lake 4 mi · Konni Lake 7 mi · Big Lake 8 mi · Tsuniah Lake 9 mi · Brittany Lake 9 mi · Murray Taylor Lake 10 mi · Vick Lake 10 mi · Fish Lake 15 mi · Big Onion Lake 16 mi · Rosse Lake 16 mi · Chilko Lake 18 mi
See how Chaunigan Lake stacks up: best rainbow trout lakes in British Columbia
More water nearby: Cariboo Regional District fishing maps (445 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.