Boyne River (Parry Sound District)

Boyne River
The Boyne River flowing into Oastler Lake (lower shore, centre)
Location of the mouth of the Boyne River in southern Ontario
Location
Country	Canada
Province	Ontario
Region	Central Ontario
District	Parry Sound
Municipality	Seguin
Physical characteristics
Source	Otter Lake
• coordinates	45°18′10″N 79°58′10″W / 45.30278°N 79.96944°W / 45.30278; -79.96944
• elevation	208 m (682 ft)
Mouth	Georgian Bay
• coordinates	45°18′11″N 80°02′34″W / 45.30306°N 80.04278°W / 45.30306; -80.04278
• elevation	176 m (577 ft)
Basin features
River system	Great Lakes Basin

The Boyne River is a river in the municipality of Seguin, Parry Sound District in Central Ontario, Canada.^[1] It is part of the Great Lakes Basin, and flows from Otter Lake to its mouth at Georgian Bay on Lake Huron south of the town of Parry Sound.

Oastler Lake Provincial Park is at the outflow of the Boyne River from Otter Lake to Oastler Lake.

The outflows from Otter Lake and Oastler Lake are controlled by dams.