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Fishing Three Isle Lake: what the data says
52-acre lake in British Columbia. The lake tops out around 36 ft. These contours are modeled — built from the real shoreline and the water's maximum depth — so read them as a guide, never as navigation. What the data behind the map says about each species, season by season:
The drawn water covers 52 acres wrapped in 1.4 miles of bank. A shoreline index of 1.4 says round and simple: fish relate to depth changes here, not shoreline features. About 45% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone.
Cutthroat Trout fishing at Three Isle Lake
Start shallow in spring: cutthroat trout sit in 3 to 15 ft that time of year. Summer pushes them deeper, 10 to 35 ft, and winter fish settle into 9 to 36 ft. The spot to know is Break off the point, a drop-off in about 16 ft of water that rates prime for cutthroat trout in summer. Warm-month bites cluster around early morning and the evening. Throw a trolled spoon (small) or a inline spinner until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Main-lake point (9 ft) | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Break off the point (16 ft) | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Main-lake point (9 ft) | Casting spoon, Inline spinner |
| Winter | 9 to 36 ft | dawn | Break off the point (16 ft) | Small jigging spoon, Marabou jig |
Notable structure
- Deep basin: deep basin, around 31 ft
- Break off the point: drop-off, around 16 ft
- Main-lake point: point, around 9 ft
- Secondary point: point, around 9 ft
- Shallow bay flat: weed flat, around 4 ft
Three Isle Lake fishing regulations
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 Three Isle Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Common questions
How deep is Three Isle Lake?
Three Isle Lake is about 36 ft (11 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.
What fish are in Three Isle Lake?
Anglers target cutthroat trout on Three Isle Lake.
Where is the best fishing spot on Three Isle Lake?
Break off the point is the top-rated area: a drop-off in about 16 ft of water that rates prime for cutthroat trout in summer. Every other rated spot, per species and season, is on the map above.
When is the best time to fish Three Isle Lake?
For cutthroat 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.
What are the fishing regulations for Three Isle Lake?
Fishing on Three Isle 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.
Nearby waters
Angler Lake 1 mi · Keogh Lake 3 mi · Maynard Lake 4 mi · Benson Lake 4 mi · Kathleen Lake 5 mi · Iron Lake 6 mi · O'Connor Lake 6 mi · Alice Lake 8 mi · Victoria Lake 9 mi · Sara Lake 10 mi · Nimpkish Lake 11 mi · Misty Lake 11 mi
See how Three Isle Lake stacks up: best cutthroat 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.