The Yaak River begins in British Columbia, as the North Fork Yaak, flowing for 25 miles before entering Montana. Three miles across the border, the East Fork Yaak joins the North Fork, giving rise to the Yaak River. The West Fork Yaak joins the Yaak River four miles further downstream. The river then flows through heavily wooded, mountainous terrain until its confluence with the Kootenai River. Click here for more information.

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