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42-acre lake in British Columbia. The lake tops out around 44 ft. The chart is a model: real shoreline, published maximum depth, interpolated in between. A planning tool, never a navigation product. Here is how the season plays out for each species, straight from the data behind the map.
The drawn water covers 42 acres wrapped in 1 miles of bank. A shoreline index of 1.1 says round and simple: fish relate to depth changes here, not shoreline features. Roughly 23% of the water is 15 ft or less as modeled, the band where the food chain lives.
When the water first warms, rainbow trout slide up into 5 to 20 ft. Summer is a 8 to 30 ft game here, winter a 8 to 40 ft one. Start at Break off the point. It's a drop-off holding about 20 ft of water and rates prime come winter. The feeding windows run 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 | Main-lake point (11 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (20 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (11 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (20 ft) | Jigging spoon, Tube jig (white) |
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 Mary Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Mary Lake is about 44 ft (13 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 Mary Lake.
Break off the point is the top-rated area: a drop-off in about 20 ft of water that rates prime for rainbow trout in winter. 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 Mary 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.
Hudson Lake 2 mi · Yardley Lake 4 mi · Neck Lake 4 mi · Genevieve Lake 5 mi · Ahbau Lake 10 mi · Hay Lake 10 mi · Hanekan Lake 10 mi · Chubb Lake 11 mi · Lodi Lake 11 mi · Nelson Kenny Lake 11 mi · Hush Lake 12 mi · Lazaroff Lake 15 mi
See how Mary Lake stacks up: best rainbow trout lakes in British Columbia
Browse all British Columbia fishing maps or see every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.