The St Regis River begins at Lookout Pass in which mountain pass on the Idaho/Montana border?
Lookout Pass Lookout Pass is a mountain pass in the Rocky Mountains of the northwestern United States. In the Coeur d'Alene Mountains of the Bitterroot Range, the pass is on the border between Idaho and Montana, traversed by Interstate 90 (formerly U.S. Route 10) at an elevation of 4710 ft above sea level.
Divide Mountain Divide Mountain (8665 ft ) is located in the Lewis Range, Glacier National Park in the U.S. state of Montana. Divide Mountain is located south of Saint Mary, Montana on the border of Glacier National Park and the Blackfeet Indian Reservation.