Buck Lake (Ontario)

Buck Lake is a lake located in South Frontenac, Ontario, Canada. Its inflows are Milk Lake and various rivers and its outflow is the Mississauga Creek through a dam. It has a surface area of 787 ha.

The lake has an average depth of 11.9 m but can reach depths up to 40.9 m. It has an approximate shore length of 48.2 km.