Devil Lake is a natural, deep, cold water lake on the Canadian Shield and part of the Cataraqui River Watershed emptying into Lake Ontario at Kingston. Devil Lake is one of the larger lakes in the area at just over 10 sq km (1062 hectares / 2624 acres), with a circumference of 58km / 36 miles. The Association estimates there are about 250 homes and cottages on the lake.

Cataraqui Conservation Authority surveys the lake for the Province. The last Report is from 2017.

Devil Lake sits within the Frontenac Arch Biosphere Reserve, just one of 18 such UNESCO designated Reserves in Canada. The Frontenac Arch is an extremely important 2700 sq km wildlife corridor connecting the Canadian Shield with the Adirondack Mountains. For more information;