Driving DirectionsLocated ten miles south of Olympia, Wash., on the state's western side in Thurston County.
12245 Tilley Road S.
Olympia, WA 98512
Take exit #95. Drive east, and follow signs to park (about three miles northeast of the freeway).
Park MapsTo view campsites and facilities reservable at this park, visit the reservation system and campsite maps.
Millersylvania downloadable pdf map #1
Millersylvania downloadable pdf map #2
List of all downloadable Washington State Park PDF maps.