The primary inflow is the Matabitchuan River, from Rabbit Lake further upstream, at the southern tip.

The primary outflow is also the Matabitchuan River, at the northwest tip.

A dam controls the outflow, and some of the water from the lake is diverted through penstocks from a point 47°07′17″N 79°29′54″W / 47.12139°N 79.49833°W / 47.12139; -79.49833 southeast of the river outflow to the Ontario Power Generation Matabitchuan Generating Station.

[1] Highway 567 leads from the community of North Cobalt (in Temiskaming Shores) to the generating station.

This Northern Ontario geographical article is a stub.