Lake Superior National Marine Conservation Area Lake Superior National Marine Conservation Area Lake Superior National Marine Conservation Area is a National Marine Conservation Area (NMCA) on the north shore of Lake Superior in Ontario, and is a unit of the national park system. Established on September 1, 2015, it is the largest freshwater marine protected area in the world. Although national marine parks and a reserve had been created previously, and managed as NMCAs, this was the first area in Canada to be designated a "National Marine Conservation Area" as defined by the Marine Conservation Areas Act. Plans to create it were first announced by Canadian
Lake Mindemoya Lake Mindemoya Lake Mindemoya is a lake of Ontario, Canada. It is located within Manitoulin Island, which is the world's largest island in a freshwater lake (Lake Huron). Mindemoya Lake is located near the town of Mindemoya on Manitoulin Island, co-ordinates Lat. 45° 45' 41" Long. 82° 12' 07". The lake is the third largest on Manitoulin Island. It has a perimeter of 33.5 km (20.8 miles), its marl clay base imparting to a deep blue to light green colour. The lake reaches depths of 21 m (69'), while the average depth is 7.3 m (24'); the surface area is