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Rating depth structure for brown bullhead.
Shared by DepthScout anglers. Exact spots stay private, always.
7-acre lake near Hennepin County. The lake tops out around 21 ft. This chart interpolates between a real shoreline and a known maximum depth. It will point you at likely water, but it is not a navigation product. Species by species, here's what the data says the year looks like.
Birch Island maps at 7 acres behind 0.4 miles of shoreline. Its 1.1 shoreline index means few bank features; the contours below do the pattern work. About 47% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone. Hennepin County claims this one. Glen sits 1 mi northeast — the closest neighbouring chart.
When the water first warms, brown bullhead slide up into 2 to 8 ft. Summer is a 3 to 12 ft game here, winter a 6 to 21 ft one. Start at Deep basin. It's a deep basin holding about 18 ft of water and rates prime come winter. The feeding windows run 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 | Deep basin (18 ft) | |
| Winter | 6 to 21 ft | midday | Deep basin (18 ft) |
Birch Island carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 18 ft down.
Season dates, license requirements, and size and bag limits for Minnesota waters are set by the Minnesota DNR — and special regulations can apply to Birch Island specifically, so confirm the current rules before you fish.
Check the official Minnesota fishing regulations →
Birch Island is about 21 ft (6 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 Birch Island.
Deep basin is the top-rated area: a deep basin in about 18 ft of water that rates prime for brown bullhead in winter. Scroll up to the map for the complete spot list by 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 Birch Island is regulated by the Minnesota DNR. Check the official Minnesota regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Glen 1 mi · Round 2 mi · Bryant 2 mi · Minnetoga 2 mi · Lone 2 mi · Shady Oak 2 mi · Mitchell 2 mi · Idlewild 3 mi · Red Rock 3 mi · Smetana 3 mi · Lotus 3 mi · Staring 3 mi
See how Birch Island stacks up: best brown bullhead lakes in Minnesota
More water nearby: Hennepin County fishing maps (102 charts). Browse all Minnesota 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.