Peters Lake (Frontenac County)

Peters Lake (lac Peters) is a lake in the municipality of South Frontenac, Frontenac County in eastern Ontario, Canada. It is in the Lake Ontario drainage basin.

Peters Lake has an area of 20.52 ha and lies at an elevation of 124 m. The settlement of Murvale lies just south of the lake on Frontenac County Road 38. The primary inflow, at the north, and outflow, at the south, is Millhaven Creek, which flows to Lake Ontario.