Coal Creek is a 6.5 mile out and back trail located near Granite Falls, Washington and is rated as difficult. The trail is primarily used for snowshoeing and is accessible from January until March. 6.5 miles Out & Back 900 feet snowshoeing Hide Map AllTrails Terrain Road Satellite Expand Map Sign up now to see this map! ReviewsPhotosTracksNo one has reviewed this trail yet. Be the first!