Wisconsin Lake Finder

Grandmother Flowage

Grandmother Flowage is a 208-acre lake in Lincoln County, Wisconsin, up to 22 feet deep, with 22 waterfront parcels on its shore. Fish include musky, panfish, largemouth bass, smallmouth bass, northern pike and walleye. It has a public boat landing.

• Size: 208 acres
• Deepest point: 22 ft
• Bottom: 50% sand, 30% muck, 15% gravel, 5% rock
• Fish: Musky, 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
• Drive time without traffic: Green Bay 2 hr 5 min, Appleton 2 hr 10 min, Eau Claire 2 hr 10 min, Madison 2 hr 45 min, Twin Cities 3 hr 10 min, Milwaukee 3 hr 25 min, Waukesha 3 hr 25 min, Rockford 3 hr 40 min, Chicago 4 hr 40 min
• Invasive species on record: Chinese Mystery Snail, Eurasian Water-Milfoil, Rusty Crayfish
• Waterfront parcels: 22 waterfront parcels

Questions about Grandmother Flowage

How many waterfront properties are on Grandmother Flowage?

22 waterfront parcels front Grandmother Flowage in Lincoln County. That counts parcels on the water from county parcel maps, not homes for sale.

How big is Grandmother Flowage?

Grandmother Flowage covers 208 acres in Lincoln County, Wisconsin.

How deep is Grandmother Flowage?

Grandmother Flowage is 22 feet deep at its deepest point.

What fish are in Grandmother Flowage?

The Wisconsin DNR lists musky, panfish, largemouth bass, smallmouth bass, northern pike and walleye in Grandmother Flowage.

Is there public access to Grandmother Flowage?

Yes. Grandmother Flowage has a public boat landing.

Can you water-ski or run a boat at speed on Grandmother Flowage?

Grandmother Flowage 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. No local boating ordinance that limits motorboats is on record.

How long is the drive to Grandmother Flowage?

By car, Grandmother Flowage is about 2 hr 5 min from Green Bay, 2 hr 10 min from Appleton, 2 hr 10 min from Eau Claire, 3 hr 10 min from the Twin Cities and 4 hr 40 min from Chicago. Those are typical times without traffic, to the nearest road at the lake.

What is the bottom of Grandmother Flowage like?

The lake bottom is 50% sand, 30% muck, 15% gravel, 5% rock, by the Wisconsin DNR's record.