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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
326-acre lake in Cariboo Regional District, British Columbia. The lake tops out around 52 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. The season-by-season read for each species follows, from the map's own numbers.
On the chart, Mons Lake draws 326 acres inside 5.6 miles of shoreline. That shoreline is heavily fingered (development index 2.2) — bays, points and pockets everywhere, which multiplies the fishable edge. Littoral water — the productive band under ~15 ft — makes up 61% of this chart, as modeled. Figure 1.6 mi of water from one end to the other, 0.9 mi at the beam. You'll find it in Cariboo Regional District. Closest neighbour on DepthScout: Rushes Lake, 4 mi northwest of here.
The spring pattern is a shallow one: rainbow trout in 5 to 20 ft. As the season builds they drop to 8 to 30 ft, wintering in 8 to 40 ft. Top water on the chart: Break off the point, a drop-off in the 23 ft range, prime in winter. Time it for early morning and the evening. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (13 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (23 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (13 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (23 ft) | Jigging spoon, Tube jig (white) |
The chart marks 6 structure features on Mons Lake; the deepest is Deep basin at about 44 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 Mons Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Mons Lake is about 52 ft (16 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 Mons Lake.
Break off the point is the top-rated area: a drop-off in about 23 ft of water that rates prime for rainbow trout in winter. Scroll up to the map for the complete spot list by 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 Mons 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.
Rushes Lake 4 mi · Abrams Lake 4 mi · Fletcher Lake 6 mi · Kloakut Lake 18 mi · Gaspard Lake 19 mi · Stobie Lake 20 mi · Haines Lake 20 mi · Roxanne Lake 24 mi · Pamela Lake 24 mi · Ruby Lake 24 mi · Lac Lelievre 25 mi · Nancy Lake 25 mi
See how Mons 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.