Île Rouleau crater

Île Rouleau is an impact crater in Baie-James, Quebec, Canada,^[1] located on a small, uninhabited island in Lake Mistassini in the centre of the province.

Île Rouleau crater
Île Rouleau crater Location of Île Rouleau crater in Quebec Show map of Canada Île Rouleau crater Île Rouleau crater (Quebec) Show map of Quebec
Impact crater/structure
Confidence	Confirmed
Diameter	4 km (2.5 mi)
Age	<300 Ma Permian or younger
Exposed	Partly
Drilled	No
Location
Location	Lake Mistassini
Coordinates	50°41′N 73°53′W
Country	Canada
State	Quebec
Province	Nord-du-Québec
Municipality	Baie-James

The crater is 4 kilometres (2.5 mi) in diameter and the age is estimated to be less than 300 million years (Permian or younger). Part of the crater is exposed to the surface, but most of it is under the waters of the lake.