Muskoka, scenic region lying east of Georgian Bay, in southeastern Ontario. The hilly area contains large forests, several rivers, and many lakes. Lakes Muskoka, Joseph, and Rosseau, the chief lakes, are connected by rivers and artificial waterways. Bracebridge, Gravenhurst, and Huntsville are the principal settlements of the region, which offers extensive opportunities for hunting and fishing. It was formerly an important lumbering area, but is today a center for recreation and tourism. A 2006 real estate survey has estimated the population of Muskoka District Municipality, Ontario at 55,106.