Going North on US 71, Turn Right on US 278 in Wickes. Stay on 278 until you cross the Cossatot River (about .5 miles past the welcome Center) turn left at the first gravel road after the bridge. Directly across from the Harris Creek Trail access. Follow the gravel road approx 5 mi. Turn left at the sign for Cossatot Falls. Go about 2.5 miles more and turn left at sign to the falls.