The St Regis River begins at Lookout Pass in which mountain pass on the Idaho/Montana border?
St. Regis River (Montana) The St. Regis River is an approximately 32.5 mi tributary of the Clark Fork of the Columbia River in Montana in the United States. It begins at Lookout Pass on the Idaho/Montana border, flows east and ends at the confluence with the Clark Fork in the city of St. Regis. Its drainage is 330 sqmi . The record high flow for the St. Regis River in Montana was recorded on May 19, 1954 at 11,000 cubic feet per second according to USGS gaging data.
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.