Tags: Mountain Pass.
White Pass (el. 4500 ft./1372 m.) is a mountain pass in the Cascade Range south of Mount Rainier and north of Goat Rocks in Washington USA. U.S. Highway 12 passes over White Pass connecting Yakima County with Lewis County.A shortcut route across White Pass between Packwood and Naches was first established as State Road 5 in 1931 and the U.S. Highway 12 link was completed in August 1951 along the current route.White Pass Ski Area located at the summit opened in December 1955.