Trout Lake (Ontario)

Trout Lake
Dawn in July 2022
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Location	North of East Ferris & east of North Bay, Nipissing, Ontario
Coordinates	46°19′N 79°19′W / 46.317°N 79.317°W / 46.317; -79.317
Type	Lake
Etymology	Trout
Part of	Ottawa River drainage basin
Max. length	11 km (6.8 mi)
Max. width	4 km (2.5 mi)
Surface area	18.9 km2 (7.3 sq mi)
Max. depth	226 ft (69 m)
Shore length1	32 mi (51 km)
Surface elevation	202 m (663 ft)
Islands	25
Settlements	North Bay (W) Feronia (N) (hamlet) Camp Champlain (E) (peninsula) Corbeil (S)
1 Shore length is not a well-defined measure.

Trout Lake is a lake in the municipalities of East Ferris and North Bay, Nipissing District, Northeastern Ontario, Canada.^[1] It lies approximately 6 kilometres (4 mi) east of the much larger Lake Nipissing, with the city of North Bay in between them. Trout Lake is the source of the Mattawa River and a significant body of water on a well-known historic North American voyageur (fur-trading) route. It is about 11 kilometres (7 mi) long and 4 kilometres (2 mi) wide and exits eastward into the Mattawa River, which flows via the Ottawa River to the St. Lawrence River.^[2] Some of the most difficult portages are found on this part of the voyageur route between Trout Lake and the end of the Mattawa River, e.g., Portage de Mauvaise Musique, located at the Talon Chute (named after explorer and voyageur Jean Talon).