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Rating depth structure for brown bullhead.
Shared by DepthScout anglers. Exact spots stay private, always.
20-acre lake in Haliburton County, Ontario. The lake tops out around 46 ft. What you see is a modeled chart: the shoreline is real, the max depth is published, and the contours between are estimated. Plan with it; don't navigate by it. Here's the year, species by species, as the scoring engine sees it.
On the chart, Upper Minnow Lake draws 20 acres inside 1 miles of shoreline. The shoreline is moderately structured (index 1.5) — enough points and pockets to pattern. Roughly 44% of the water is 15 ft or less as modeled, the band where the food chain lives. The water lies in Haliburton County. For a second option, Branch Lake lies 1 mi north.
Spring puts brown bullhead in skinny water — 2 to 8 ft is the zone. As the season builds they drop to 3 to 12 ft, wintering in 10 to 25 ft. Winter brown bullhead concentrate at Deep basin, a good-rated deep basin around 39 ft. Warm-month bites cluster around after dark and the evening.
| 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 (39 ft) |
Upper Minnow Lake carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 39 ft down.
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 Upper Minnow Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Upper Minnow Lake is about 46 ft (14 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 brown bullhead on Upper Minnow Lake.
Deep basin is the top-rated area: a deep basin in about 39 ft of water that rates good for brown bullhead in winter. Every other rated spot, per species and season, is on the map above.
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 Upper Minnow 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.
Branch Lake 1 mi · Kingscote Lake 2 mi · Big Rock Lake 2 mi · Byers Lake 2 mi · Scorch Lake 2 mi · Little Percy Lake 2 mi · Little Billings Lake 3 mi · Billings Lake 4 mi · South Little Mink Lake 5 mi · Percy Lake 6 mi · East Lake 7 mi · Meach Lake 7 mi
See how Upper Minnow Lake stacks up: best brown bullhead lakes in Ontario
More water nearby: Haliburton County fishing maps (295 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.