where is kootenai montana?
<answer> US Hwy 2 between Libby and Troy, milepost 21. <context> Kootenai Falls was the setting for the filming of the movie, River Wild. Location: US Hwy 2 between Libby and Troy, milepost 21. The Swinging Bridge. Kootenai Falls on the Kootenai River, adjacent to U.S. Highway 2 between Libby and Troy, is a scenic attraction not to be missed. The calm river suddenly gathers momentum surging first through China Rapids and then over Kootenai Falls, dropping 90 feet in less than a mile. The main falls is 30 feet high and can be viewed from a swinging bridge that crosses the river.