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 Muir Lake Muir Lake Muir is a freshwater lake, with a larger surrounding wetlands area, that is located in the South West region of Western Australia. The lake lies near Muirs Highway, north of Walpole and southeast of Manjimup. The lake has a surface area of . Lake Muir and its surrounding wetland lies within the Lake Muir-Unicup System, a area of internal drainage containing a complex of wetland systems. Lake Muir may, in flood, overflow southwest into the Deep River catchment (and possibly also southeast into the Frankland River via Poorginup Gully). Lake Muir is usually brackish (1000–3000 mg/L TDS)