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.
North Idaho Centennial Trail The North Idaho Centennial Trail is a 24 mi paved trail in Idaho used for transportation and recreational activities. Extending from Higgens Point on the northeast side of Lake Coeur d'Alene, a popular place for bald eagle watchers in early winter, the trail follows the lake's north shoreline to the Spokane River where it follows it to the Idaho/Washington border. On the other side of the state border, the trail becomes the Spokane River Centennial Trail and extends for another 37 mi out to Sontag Park in Nine Mile Falls, Washington. The trail passes through the towns of Post Falls, Idaho and Coeur d'Alene, Idaho.