Part of the Park is Closed Posted Aug 5, 2026 - The Goldendale Observatory solar and evening programs are cancelled for the time being due to staffing issues. The campus remains open for self-guided exploration from 6:30 am to dusk daily. Please check back here for updates.
About Goldendale Observatory State Park Heritage Site
One of the nation's largest public telescopes, in the hills above the Columbia River, with live telescope views during every programme. Reservations are required for the visitor center and the programmes; by day the park is all panorama.