KootenayRiver

Koo·te·nay River also Koo·te·nai River (ko͞otʹn-ā')

A river, about 655 km (407 mi) long, flowing from southeast British Columbia, Canada, south through northwest Montana, northwest through northern Idaho, and then north again into British Columbia, where it widens to form Kootenay Lake before joining the Columbia River.

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