Gravenhurst is a town in the Muskoka Region of Ontario, Canada. It is located approximately 15 kilometres (9.3 mi) south of Bracebridge, Ontario. The mayor is Paisley Donaldson. The Town of Gravenhurst includes a large area of the District of Muskoka, known to Ontarians as "cottage country." The town centre borders on two lakes: Lake Muskoka, which is the largest lake in the region, and Gull Lake, a smaller cottage-bordered lake.