To get to the RV dump station, start from McCloud and head east on US Hwy. 89 South. Drive for 16 miles until you reach Forest Service Road 15, also known as Harris Spring Road. Turn left onto Road 15 and continue for 4.4 miles. Then, you will reach Forest Service Road 49, also known as Medicine Lake Road. Follow the signs for 27.5 miles until you reach Medicine Lake. The dump station is located 1/4 mile past the Medicine Lake Campground.