Ada Lake in Muskoka, Ontario, is approximately 28 hectares, or 69 acres in size with a maximum depth of four meters.

What county is Lake Ada in?

Ada Lake in Ontario is situated within the Muskoka Lakes Township, which is part of the Muskoka Regional Municipality. As such, Ada Lake is not technically located within a county. The nearest counties to Ada Lake are Haliburton to the southeast and Simcoe to the southwest.