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Lake Thompson

By Rhinelander. 401 acres, 30 feet at the deepest.

401acres
30 ftdeepest
1public boat landing

Ice on Lake Thompson

No ice reports from Lake Thompson 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

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

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

Boat landings

Water and bottom

  • Water: low
  • Bottom: 55% sand, 15% gravel, 5% rock, 25% muck
  • Kind of lake: a drainage lake: a stream runs in and out

Invasive species

The DNR has found Chinese mystery snail 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 Lake Thompson, with depth lines in feet

Wisconsin DNR lake survey map, mapped January 1940. 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 401 acres today. The DNR's original (PDF)

Lake facts from the Wisconsin DNR's page for Lake Thompson, checked October 26, 2026.