Chandos Lake was called Loon Lake, it was originally called Mongosogan by the Mississauga Anishinabe, a sub-tribe of the Anishinaabe-speaking First Nations – on whose traditional territory it lies.
Chandos is the only area lake that is over 1000 hectares in size with an average depth of over 10m. Other area lakes are either overly small or overly shallow. Although not one of the Kawartha Lakes proper, Chandos Lake is part of the Kawartha cottage country. The lake is lined with some 1,200 cottages.
Boat Launches are located at the North end off of Hwy. 620 and McCauley’s Road at South Bay. Surface area is approximately 1,387 hectors (3,427 acres) max depth is approximately 45.7 m (150 feet) average depth is 13.10m (43 feet)