Wisconsin Lake Finder

Cosgrove Lake

Cosgrove Lake is a 76-acre lake in Florence County, Wisconsin, up to 26 feet deep, with 76 waterfront parcels on its shore. Fish include panfish, smallmouth bass, northern pike and walleye. The DNR lists no public boat landing.

• Size: 76 acres
• Deepest point: 26 ft
• Average depth: 6 ft
• Bottom: 75% sand, 20% muck, 5% gravel
• Fish: Panfish, Smallmouth bass, Northern pike, Walleye
• 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 10 min, Appleton 2 hr 30 min, Milwaukee 3 hr 50 min, Waukesha 4 hr 10 min, Eau Claire 4 hr 15 min, Madison 4 hr 20 min, Chicago 5 hr 15 min, Rockford 5 hr 15 min, Twin Cities 5 hr 20 min
• Invasive species on record: Purple Loosestrife
• Waterfront parcels: 76 waterfront parcels

Questions about Cosgrove Lake

How many waterfront properties are on Cosgrove Lake?

76 waterfront parcels front Cosgrove Lake in Florence County. That counts parcels on the water from county parcel maps, not homes for sale.

How big is Cosgrove Lake?

Cosgrove Lake covers 76 acres in Florence County, Wisconsin.

How deep is Cosgrove Lake?

Cosgrove Lake is 26 feet deep at its deepest point, and 6 feet deep on average.

What fish are in Cosgrove Lake?

The Wisconsin DNR lists panfish, smallmouth bass, northern pike and walleye in Cosgrove Lake.

Is there public access to Cosgrove Lake?

The Wisconsin DNR lists no public boat landing, beach or park on Cosgrove Lake.

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

Cosgrove 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. No local boating ordinance that limits motorboats is on record.

How long is the drive to Cosgrove Lake?

By car, Cosgrove Lake is about 2 hr 10 min from Green Bay, 2 hr 30 min from Appleton, 3 hr 50 min from Milwaukee, 5 hr 15 min from Chicago and 5 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 Cosgrove Lake like?

The lake bottom is 75% sand, 20% muck, 5% gravel, by the Wisconsin DNR's record.