Severn Sound

For the defunct radio station in Gloucestershire, see Heart Gloucestershire.

Severn Sound
Severn Sound viewed from the eastern shore of Beausoleil Island
Severn Sound Location within Southern Ontario
Coordinates	44°48′N 79°49′W
Primary inflows	Severn River, Coldwater River, Sturgeon River, Wye River
Primary outflows	Georgian Bay
Basin countries	Canada
Surface area	130 km2 (50 sq mi)
Islands	Beausoleil Island, Quarry Island
References

Severn Sound is a sound of southeastern Georgian Bay in Ontario, Canada. Formerly affected by algal blooms beginning in the mid-1960s, it was designated a Great Lakes Area of Concern in 1987, until successful water pollution reduction and wetland restoration efforts led to its delisting in 2003.