Kootenay(redirected from Kootanae)
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a river in W North America, rising in SE British Columbia and flowing south into NW Montana, then north into Idaho before re-entering British Columbia, broadening into Kootenay Lake, then flowing to the Columbia River. Length: 655 km (407 miles)
a lake in Canada in the Rocky Mountains, between the Purcell and Nelson ranges; created by a dam. Length, 100 km; width, 1.5–6 km; area, 435 sq km. The Kootenai River flows through the lake.