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Big Muskellunge Lake

By Arbor Vitae. 897 acres, 70 feet at the deepest.

897acres
70 ftdeepest
26 ftaverage depth
3public boat landings

Ice on Big Muskellunge Lake

No ice reports from Big Muskellunge Lake in the last two weeks.

What folks saw out there, not the DNR. No ice is safe ice; check it yourself.

Send a report All ice reports

Fish

  • Common: musky, panfish, largemouth bass and walleye
  • Also there: smallmouth bass and northern pike

How the DNR lists them. It doesn't say how the fishing is.

Boat landings

Water and bottom

  • Bottom: 60% sand, 20% gravel, 15% rock, 5% muck
  • Kind of lake: a seepage lake: no stream in or out, it's fed by rain and groundwater

Invasive species

The DNR has found banded mystery snail, purple loosestrife and rusty crayfish here.

State law: before you leave the landing, pull off any plants and critters, drain all the water out of your boat, motor, livewell and buckets, and never move live fish away from the lake.

The DNR's boat and bait rules

Depth map

Wisconsin DNR lake survey map of Big Muskellunge Lake, with depth lines in feet

Wisconsin DNR lake survey map, mapped July 1972. Mind the north arrow; some of these old maps are turned sideways. It's old and not for navigation; shorelines and depths change. The DNR lists the lake at 897 acres today. The DNR's original (PDF)

Lake facts from the Wisconsin DNR's page for Big Muskellunge Lake, checked October 24, 2026.