Lake depth chart
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Shared by DepthScout anglers. Exact spots stay private, always.
25-acre lake in Muskoka District Municipality, Ontario. The lake tops out around 39 ft. The contours come from a model of the real basin shape and its known max depth. Read them as probabilities, not soundings, and keep them out of navigation decisions. What follows comes from the same scoring engine that paints the spots above.
Traced from the shoreline, West Ermine L. runs 25 acres with 0.9 miles of edge. Its 1.3 shoreline index means few bank features; the contours below do the pattern work. 36% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water. Figure 0.3 mi of water from one end to the other, 0.2 mi at the beam. The water lies in Muskoka District Municipality. The nearest mapped water is Flossie Lake, 1 mi to the north.
Spring puts brook trout in skinny water — 2 to 15 ft is the zone. Warm water sends them out to 10 to 30 ft; cold water stacks them in 3 to 20 ft. Break off the point is the standout, a drop-off at roughly 18 ft, rated prime for summer brook trout. Plan around early morning and the evening in the warm months. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (10 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (18 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (10 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (18 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring pumpkinseed on West Ermine L. hold shallow, usually 1 to 8 ft. By summer they slide out to 2 to 10 ft, and by winter most fish are in 6 to 18 ft. The chart's best answer is Shallow bay flat — weed flat, 5 ft, prime for spring. Prime time lands in the evening and early morning. The summer box starts with a micro tube or a sponge spider (fly).
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 8 ft | midday & dusk | Shallow bay flat (5 ft) | Micro jig under a float, Tiny beetle-spin |
| Summer | 2 to 10 ft | dusk & dawn | Shallow bay flat (5 ft) | Micro tube, Sponge spider (fly) |
| Fall | 4 to 14 ft | dusk & dawn | Shallow bay flat (5 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 6 to 18 ft | dawn | Shallow bay flat (5 ft) | Tungsten ice jig + plastic, Tiny spoon |
Structure-wise the chart holds 4 features, led in depth by Deep basin at roughly 33 ft.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to West Ermine L. specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
West Ermine L. is about 39 ft (12 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 brook trout, pumpkinseed on West Ermine L..
Shallow bay flat is the top-rated area: a weed flat in about 5 ft of water that rates prime for pumpkinseed in spring. Every other rated spot, per species and season, is on the map above.
For brook 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 West Ermine L. is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Flossie Lake 1 mi · Camp Lake 1 mi · Samlet Lake 1 mi · Doughnut Lake 2 mi · South Tasso Lake 2 mi · Toad Lake 2 mi · Martencamp Lake 2 mi · Tasso Lake 2 mi · Park Lake 3 mi · Lucy Lake 3 mi · Big Hoover Lake 3 mi · Victory Lake 3 mi
See how West Ermine L. stacks up: best brook trout lakes in Ontario · best pumpkinseed lakes in Ontario
More water nearby: Muskoka District Municipality fishing maps (276 charts). Browse all Ontario 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.