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.
Stripe Mountain Stripe Mountain is the highest point in both the South Clearwater Mountains and the Clearwater Mountains as a whole, part of the Bitterroot Range and Rocky Mountains in the panhandle of Idaho in the Western United States. Its summit is at an elevation of 9001 ft and the mountain's ridgeline forms the boundary of Idaho County and Lemhi County. The Idaho County portion of the mountain lies within the Bitterroot National Forest and the Lemhi County portion of the mountain lies within the Salmon-Challis National Forest, and the entirety of the mountain lies within the Frank Church-River of No Return Wilderness Area.