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Rating depth structure for brown bullhead.
Shared by DepthScout anglers. Exact spots stay private, always.
18-acre lake in Muskoka District Municipality, Ontario. The lake tops out around 30 ft. The depth chart comes from Ontario Ministry of Natural Resources and Forestry bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The depth data here comes from the Ontario MNRF survey of 1972, a decades-old survey (an MNRF lake survey). Below is the species-by-species picture, pulled from the same data the map uses.
On the chart, Wilson Lake draws 18 acres inside 0.8 miles of shoreline. At index 1.4 the outline is almost a bowl — read the depth changes, not the shoreline. Roughly 97% of the water is 15 ft or less, the band where the food chain lives. End to end it runs roughly 0.3 mi, about 0.2 mi across. You'll find it in Muskoka District Municipality. For a second option, Fifteen Mile Lake lies 1 mi north.
Start shallow in spring: brown bullhead sit in 2 to 8 ft that time of year. Warm water sends them out to 3 to 12 ft; cold water stacks them in 10 to 25 ft. Top water on the chart: Deep basin, a deep basin in the 21 ft range, prime in winter. Fish it in after dark and the evening and you'll meet the bite.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | open water | |
| Summer | 3 to 12 ft | night & dusk | open water | |
| Fall | 5 to 15 ft | dusk | open water | |
| Winter | 10 to 25 ft | midday | Deep basin (21 ft) |
Count 3 structure marks on this chart. The deepest, Deep basin, sits near 21 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 Wilson Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Wilson Lake is about 30 ft (9 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1972, a decades-old survey (an MNRF lake survey).
Anglers target brown bullhead on Wilson Lake.
Deep basin is the top-rated area: a deep basin in about 21 ft of water that rates prime for brown bullhead in winter. The map above holds the full rated-spot list for every species and season.
For brown bullhead, the summer bite is best in after dark 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 Wilson Lake 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.
Fifteen Mile Lake 1 mi · Cooper Lake 2 mi · Sixteen Mile Lake 2 mi · Burns Lake 2 mi · Flaherty Lake 3 mi · Cache Road Lake 3 mi · Wilbur Lake 3 mi · Seventeen Mile Lake 3 mi · Cod Lake 3 mi · Gosling Lake 3 mi · Eiler Lake 3 mi · Oxtongue Lake 4 mi
See how Wilson Lake stacks up: best brown bullhead lakes in Ontario
More water nearby: Muskoka District Municipality fishing maps (276 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry: published agency survey data. 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.