Location: Tree Phones Campground, Ahtanum State Forest near Tampico, WA.

Directions: Take I-82 Exit 36 Valley Mall Blvd at Union Gap near Yakima, WA. Go .3 mile on E. Valley Mall Blvd to Main St. & turn left, go .5 mile to W. Ahtanum Rd. & turn right, stay on W. Ahtanum Rd. for 19 miles to Tampico, WA & take right fork in road onto N.F. Ahtanum Rd. until end of pavement (about 9.5 miles), continue straight onto M.F. Ahtanum Rd (A2000 Rd.) for 6 more miles to Tree Phones Campground. (Approx. 35 miles to Tree Phones from I-82.)