Algonquin Provincial Park is a provincial park located between Georgian Bay and the Ottawa River in Central Ontario. It is the oldest and fourth largest park in Ontario, covering about 7,725 square kilometres (2,983 square miles). Its size, combined with its relative proximity to the major urban centers of Toronto and Ottawa make it one of the most popular parks in the province. Over 2,400 lakes and 1,200 kilometres of streams and rivers are located within the park, including Canoe Lake and the Petawawa and Nipissing rivers.