Muskoka’s Subwatersheds

Muskoka Watershed Council’s area of interest encompasses the Muskoka River Watershed as well as portions of the Severn River-Lake Simcoe Watershed. Collectively, this area consists of 19 subwatersheds (also called quaternary watersheds).

Subwatersheds in the Muskoka Watershed Report Card

Select a subwatershed below to learn more!

Big East River

Big East River Subwatershed Info

Dee River

Dee River Subwatershed Info

Gibson River

Gibson River Subwatershed Info

Hollow River

Hollow River Subwatershed Info

Kahshe River

Kahshe River Subwatershed Info

Lake of Bays

Lake of Bays Subwatershed Info

Little East River

Little East River Subwatershed Info

Lower Black River

Lower Black River Subwatershed Info

Mary Lake

Mary Lake Subwatershed Info

Moon River

Moon River Subwatershed Info

Lake Muskoka

Lake Muskoka Subwatershed Info

North Muskoka River

North Muskoka River Subwatershed Info

Oxtongue River

Oxtongue River Subwatershed Info

Lake Rosseau

Lake Rosseau Subwatershed Info

Rosseau River

Rosseau River Subwatershed Info

Severn River

Severn River Subwatershed Info

Skeleton River

Skeleton River Subwatershed Info

South Muskoka River

South Muskoka River Subwatershed Info

Upper Black River

Upper Black River Subwatershed Info