Goldendale Observatory State Park is an educational facility near Goldendale, Washington notable for its unusually large public telescope. The Observatory and its lands were acquired by the state of Washington in 1980, after being operated by the Goldendale Observatory Corporation since 13th October, 1973.The park occupies 5 acres (2.0 ha) atop a 2,100-foot (640 m) hill. Access is via a winding paved road through an oak forest.