Upper Post Lake
By Schoepke. Shared with Langlade County. 765 acres, 14 feet at the deepest.
Ice on Upper Post Lake
No ice reports from Upper Post Lake in the last two weeks.
What folks saw out there, not the DNR. No ice is safe ice; check it yourself.
Fish
- Plenty of: panfish and northern pike
- Common: largemouth bass
- Also there: musky, smallmouth bass and walleye
How the DNR lists them. It doesn't say how the fishing is.
Boat landings
- West Shore, near Tall Pine LnMap · DNR details
- Main Landing, near Point LnMap · DNR details
Water and bottom
- Bottom: 75% sand, 4% gravel, 1% rock, 20% muck
- Kind of lake: a drainage lake: a stream runs in and out
Invasive species
The DNR has found banded mystery snail, Chinese mystery snail, curly-leaf pondweed, Eurasian water-milfoil, 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.
Depth map
Wisconsin DNR lake survey map, mapped 1967. 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 765 acres today. The DNR's original (PDF)
Lake facts from the Wisconsin DNR's page for Upper Post Lake, checked October 26, 2026.