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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
35-acre lake in Squamish-Lillooet Regional District, British Columbia. The lake tops out around 75 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. Here is how the season plays out for each species, straight from the data behind the map.
The outline encloses 35 acres, worked by 0.9 miles of shoreline. Nearly circular (index 1.1), so the story is the bottom, not the bank. The shallow band under 15 ft claims about 15% of the surface on the model — that's where the groceries are. End to end it runs roughly 0.3 mi, about 0.2 mi across. It sits in Squamish-Lillooet Regional District. Its nearest charted neighbour, Green Lake, is 2 mi to the north.
Spring rainbow trout on Lost Lake hold shallow, usually 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. The chart's best answer is Break off the point — drop-off, 34 ft, prime for winter. Prime time lands in early morning and the evening. The summer box starts with a dodger + spoon (deep troll) or a flutter spoon.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (19 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Main-lake point (19 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (19 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (34 ft) | Jigging spoon, Tube jig (white) |
Structure-wise the chart holds 4 features, led in depth by Deep basin at roughly 64 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 Lost Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Lost Lake is about 75 ft (23 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 Lost Lake.
Break off the point is the top-rated area: a drop-off in about 34 ft of water that rates prime for rainbow trout in winter. Every other rated spot, per species and season, is on the map above.
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 Lost 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.
Green Lake 2 mi · Alta Lake 2 mi · Nita Lake 3 mi · Alpha Lake 4 mi · Showh Lakes 6 mi · Rainbow Lake 6 mi · Cheakamus Lake 8 mi · Callaghan Lake 12 mi · Daisy Lake 14 mi · Garibaldi Lake 14 mi · Freeman Lake 15 mi · Ivey Lake 16 mi
See how Lost Lake stacks up: best rainbow trout lakes in British Columbia
More water nearby: Squamish-Lillooet Regional District fishing maps (48 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.