Goldendale Observatory

A unique educational facility and certified 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.


  • Dress warm, no matter the season. The telescope domes are not climate-controlled and presentations often take place outdoors.  The hilltop can be cold and windy, even in summer.
  • Learn more at the Friends of Goldendale Observatory website.

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.

  • Difficulty: Easy
  • 2,100 ft

Upcoming Activities

There are no activities scheduled at this location.

Trip Reports

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  • Goldendale Observatory State Park Heritage Site

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