Swan Lake is a lake in geographic Lee Township[3] and geographic Maisonville Township[4] in the Unorganized West Part of Timiskaming District, in northeastern Ontario, Canada.

[2] The lake is in the James Bay drainage basin and the nearest community is Sesekinika, 4.9 kilometres (3.0 mi) to the northeast.

Swan Lake is the location of the mouth of Woollings Creek and is the source of the Whiteclay River.

The primary inflow is Woollings Creek arriving from Meyers Lake at north; there are two unnamed secondary inflows at the northwest and a third at the west.

There is a private campsite/RV park suitable for recreational vehicles on the east side of the lake, accessible directly from Ontario Highway 11 just to the east.