To find the RV dump station, take the exit off of US Hwy. 169 at Cherryvale. Then, head east on Main Street through Cherryvale. At the end of Main Street, turn south onto Olive Street. After that, turn east onto County Road 5000. Follow the paved road for 4.5 miles until you reach Big Hill Lake. Finally, look for the signs that will lead you to the Mound Valley RV dump station.