Confirm the current BC freshwater fishing regulations (Region 4, Kootenay), including any bait, motor or ice-fishing limits for this lake, before you fish.
The water
Columbia Lake lies Head of Columbia River, just S of Windermere Lake; in the Columbia River watershed. It covers ~2416.5 ha surface area. The lake survey puts it at max 5.2 m, mean 2.9 m, which sets the depth you fish.
The fishing
Columbia Lake fishes on classic stillwater lines: chironomids over the shoals, leech and attractor retrieves along the drop-offs, and depth or troll work to the shoal-and-drop-off structure. Match the season and confirm against a local report.
Conditions
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Depth: max 5.2 m, mean 2.9 m (BC lake survey 1972-03-14).
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Water-health signal: average (health index 55), 2 species over 8 observations; 1 intact-mollusc records, a good-water indicator.
Access & the rules
Confirm the launch, parking and any motor/float or seasonal restrictions for Columbia Lake locally before you commit a day; the map shows where the lake sits in its drainage.
Before you fish
Confirm the current BC freshwater fishing regulations (Region 4 – Kootenay) before you go. Official synopsis: gov.bc.ca fishing regulations.