Wisconsin Lake Finder

Upper Nemahbin Lake

Upper Nemahbin Lake is a 277-acre lake in Waukesha County, Wisconsin, up to 60 feet deep, with 95 waterfront parcels on its shore. Fish include panfish, largemouth bass, smallmouth bass, northern pike and walleye. It has a public boat landing.

• Size: 277 acres
• Deepest point: 60 ft
• Bottom: 85% muck, 10% gravel, 5% sand
• Fish: Panfish, Largemouth bass, Smallmouth bass, Northern pike, Walleye
• Public access: a public boat landing
• Boating: Full recreation: over 50 acres, so open to water-skiing and boating at speed under state law
• Local boating ordinances on record: slow-no-wake areas and slow-no-wake hours
• Drive time without traffic: Waukesha 20 min, Milwaukee 30 min, Madison 55 min, Rockford 1 hr 25 min, Appleton 1 hr 45 min, Chicago 1 hr 55 min, Green Bay 2 hr 10 min, Eau Claire 3 hr 10 min, Twin Cities 4 hr 20 min
• Invasive species on record: Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Spiny Naiad, Starry Stonewort, Zebra Mussel
• Waterfront parcels: 95 waterfront parcels

Questions about Upper Nemahbin Lake

How many waterfront properties are on Upper Nemahbin Lake?

95 waterfront parcels front Upper Nemahbin Lake in Waukesha County. That counts parcels on the water from county parcel maps, not homes for sale.

How big is Upper Nemahbin Lake?

Upper Nemahbin Lake covers 277 acres in Waukesha County, Wisconsin.

How deep is Upper Nemahbin Lake?

Upper Nemahbin Lake is 60 feet deep at its deepest point.

What fish are in Upper Nemahbin Lake?

The Wisconsin DNR lists panfish, largemouth bass, smallmouth bass, northern pike and walleye in Upper Nemahbin Lake.

Is there public access to Upper Nemahbin Lake?

Yes. Upper Nemahbin Lake has a public boat landing.

Can you water-ski or run a boat at speed on Upper Nemahbin Lake?

Upper Nemahbin Lake is over 50 acres, so Wisconsin's slow-no-wake rule for small lakes does not apply and boats may run at speed, staying slow within 100 feet of shore, docks and swimmers. Local ordinances on record include slow-no-wake areas and slow-no-wake hours; the ordinance itself says which part of the lake or the day each covers.

How long is the drive to Upper Nemahbin Lake?

By car, Upper Nemahbin Lake is about 20 min from Waukesha, 30 min from Milwaukee, 55 min from Madison, 1 hr 55 min from Chicago and 4 hr 20 min from the Twin Cities. Those are typical times without traffic, to the nearest road at the lake.

What is the bottom of Upper Nemahbin Lake like?

The lake bottom is 85% muck, 10% gravel, 5% sand, by the Wisconsin DNR's record.