Otter Lake (Seguin, Parry Sound District, Ontario)

Otter Lake
Sunset over Otter Lake
Location	Seguin, Ontario
Coordinates	45°17′N 79°58′W / 45.28°N 79.96°W / 45.28; -79.96
Lake type	Glacial lake, oligotrophic, dimictic
Primary inflows	Natural springs
Primary outflows	Boyne River (Ontario)
Basin countries	Canada
Max. length	6.5 km (4.0 mi)
Max. width	7.25 km (4.50 mi)
Surface area	5.06 km2 (1,250 acres)
Average depth	10.8 m (35 ft)
Max. depth	45 m (148 ft)
Surface elevation	208 m (682 ft)
Frozen	Mid-December to Late April
Islands	Bluebell, Delta, Fair, Sentinel, Snake
Settlements	(None on lake)

Otter Lake is located in the Township of Seguin (formerly Foley Township), in the District of Parry Sound, Ontario, Canada. Otter Lake was originally named 'Nigge-Cu-Bing' (Lake of Many Otters) by the original Native American inhabitants.

The water level is controlled by a dam at the Boyne River.