[1] The lake is located near the town of Mindemoya, and it is the third largest on Manitoulin Island.

It has a perimeter of 33.5 km (20.8 miles), its marl clay base imparting to a deep blue to light green colour.

Mindemoya is a moderately fertile lake that favours a warm water fishery; brook and rainbow trout can be caught in the Mindemoya River, which exits the lake on the south side and flows into Providence Bay.

A concrete public boat launch is located along Ketchankookem Trail on the east side of the lake.

The major fish species include smallmouth bass, walleye, yellow perch, whitefish and northern pike.