Watersheds

Blue Mountain

The Blue Mountain Watershed Trust Foundation was incorporated in 1995 and is composed of independent watersheds that originate in the Niagara Escarpment (a United Nations World Biosphere Reserve) and drain directly into Georgian Bay. Major watersheds include Silver Creek, Black Ash Creek, Townline Creek, Pretty River and Batteaux River, Indian Brook and Beaver River and their tributaries---an area totaling approximately 50,000 hectares

Bighead River Watershed

The Bighead River Heritage Association is A charitable organization, formed to promote an environmental awareness of the Bighead River Watershed. The Bighead river runs into Georgian Bay in Meaford Ontario

Places To Stay: The Falls Inn-Walters Falls

French River Watershed

The French River has been identified as a heritage river by the Canadian River Heritage System Located north of Parry Sound Ontario, 60 km south of Sudbury; the 110 km corridor of the French River drains the region of the Canadian Shield between Lake Nipissing in the east and Georgian Bay in the west.

Lake Simcoe—Trent-Severn River System Watershed

The flow of water starts as far east as Burleigh falls and Lakefield, north from Haliburton, and south from the Aurora and Uxbridge through the Holland River to Lake Simcoe. The most relevant organizations affecting water flow to Georgian Bay are
The Lake Simcoe Region Conservation Authority, and Parks Canada with their designation of the Trent-Severn Waterway as a national historic site five significant divisions of the combined man made canal, river, and lake systems have been identified by Friends of the Trent-Severn Waterway.

Muskoka River Watershed

The Muskoka River watershed is located on the east of Georgian Bay in Ontario's cottage country. The flow of water begins on the western slopes of Algonquin Park, and flow southwesterly for a distance of approximately 210 km to discharge into the southeast corner of Georgian Bay. Dwight, Dorset, Baysville, Huntsville, Port Sydney, Bracebridge, Gravenhurst, Bala, Port Carling, and MacTier. The upper watershed in Muskoka includes Bracebridge and the three large lakes Lake Muskoka, Lake Joseph and Lake Rossseau. The combined flow from the lakes passes through the Moon and Musquash Rivers and discharge into Georgian Bay.

Nottawasaga River Valley Watershed

The Nottawasaga Valley Conservation Authority is the primary group responsible for the flow of waters into Georgian Bay from the South and the Town of Mono, East Oro-Medonte, and west to the Blue Mountains. The major flow of the Nottawasaga River ends in Wasaga Beach, while other smaller rivers and tributaries also flow into Georgian Bay. Significant wetlands, and historic sites are identified on the website. There is an overlap with the many communities around Lake Simcoe and the Lake Simcoe Conservation Authority, and the Town of the Blue Mountains and Grey Highlands.