Goldendale Observatory

A unique state park and educational facility and dark sky park located on a 2,100-foot hilltop north of the Columbia River in eastern Washington. It is dedicated to year-round telescope viewing and scientific education.

about the park

This state park heritage site features telescopes for public viewing include the 24.5-inch Classical Cassegrain, a 14-inch Schmidt-Cassegrain, a 14-inch GoTo Dobsonian, a 152mm Hydrogen-Alpha Solar Telescope, and a variety of other instruments. Park amenities include an amphitheater and two unsheltered picnic tables, available first come, first served.


Information for Leaders


The Mountaineers has a commercial use permit with Washington State Parks for all free and fee-based outings at state parks. Leaders should carry a print or digital copy of our  commercial use permit to show rangers they may encounter.

  • 2,100 ft
1602 Observatory Drive, Goldendale, WA 98620
Trip Reports

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  • Goldendale Observatory State Park
  • Goldendale Observatory State Park Heritage Site

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