The community of Granville Lake is located on a peninsula on the south shore of Granville Lake, which is part of the Churchill River system. Many of the residents are members of the Mathias Colomb Indian Band from Pukatawagan.

The community of Leaf Rapids is 42 kilometres north-east by air. Normal access to the community is by boat, snowmobile or air.

The community of Granville Lake was officially recognized in August 1971, and is administered by a contact person under The Northern Affairs Act.

In 2011, according to Statistics Canada census data, Granville Lake had a population of 16.