Lake depth chart
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40-acre lake in Dane County, Wisconsin. The lake tops out around 6 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Here is how the season plays out for each species, straight from the data behind the map.
On the chart, Brandenburg Lake draws 40 acres inside 1 miles of shoreline. Nearly circular (index 1.1), so the story is the bottom, not the bank. There is no deep basin to speak of — the entire surface is under ~15 ft, prime weed water end to end. Figure 0.3 mi of water from one end to the other, 0.3 mi at the beam. The water lies in Dane County. Closest neighbour on DepthScout: Crystal Lake, 7 mi north of here.
Early season walleye use the shallows, holding in 2 to 6 ft. Even in summer they hold at 2 to 6 ft; winter keeps them in 2 to 6 ft. The chart's best answer is Shoreline break — drop-off, 4 ft, prime for fall. Best bite is the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 6 ft | dusk & dawn | Shoreline break (4 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 2 to 6 ft | dusk & dawn | Shoreline break (4 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 2 to 6 ft | dusk & night | Shoreline break (4 ft) | Jigging rap, Jig + big minnow |
| Winter | 2 to 6 ft | dusk & dawn | Deep basin (5 ft) | Jigging spoon + minnow head, Rattle bait |
Brandenburg Lake carries 4 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 5 ft down.
Season dates, license requirements, and size and bag limits for Wisconsin waters are set by the Wisconsin DNR — and special regulations can apply to Brandenburg Lake specifically, so confirm the current rules before you fish.
Check the official Wisconsin fishing regulations →
Brandenburg Lake is about 6 ft (2 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target walleye on Brandenburg Lake. These come from the Wisconsin DNR's per-lake fish listing; where the DNR lists a group (panfish, catfish, trout) the specific species are resolved from Wisconsin's fish distribution by the lake's location, depth and habitat.
Shoreline break is the top-rated area: a drop-off in about 4 ft of water that rates prime for walleye in fall. Open the map above to see every rated spot for each species and season.
For walleye, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Brandenburg Lake is regulated by the Wisconsin DNR. Check the official Wisconsin regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Crystal Lake 7 mi · Fish Lake 7 mi · Mud Lake 8 mi · Lantz Pond 8 mi · Lake Mendota 10 mi · Windsor Lake 12 mi · Lake Wisconsin 13 mi · Lake Wingra 13 mi · Deacon Thomas Lake 14 mi · Stewart Lake 14 mi · Goose Lake 14 mi · Goose Lake 14 mi
See how Brandenburg Lake stacks up: best walleye lakes in Wisconsin
More water nearby: Dane County fishing maps (20 charts). Browse all Wisconsin 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.