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New Goldendale Observatory State Park Special Hours


Fri-Sun, Dec 27th-29th

2 – 4 pm Solar Show
​6 – 9 pm Evening Show

There is no charge to visit the observatory or attend shows, but you will need a Washington State Discover Pass to park. 

Regular operations at the observatory are expected to resume in January of 2020.

Thanks to the Port of Seattle for their support—bringing astronomy, science and technology tourists to southeastern Washington state from all over the world.

Goldendale Observatory

One of the largest, most accessible public telescopes in the nation.


The new Goldendale Observatory is near completion

46 years after construction of Goldendale Observatory, the first major renovation of this unique State Park is nearly complete. A much larger and more advanced learning center now stands in compliment to the iconic main observatory dome and the newly upgraded telescope within. Seating capacity has more than tripled and self-guided interpretive exhibits are being installed throughout the campus.

Since 1973 Goldendale has been home to a great treasure. Right on the hill overlooking town we have one of the largest and most accessible public telescopes in the nation. Thousands of star gazers, amateur astronomers, and students travel to Goldendale every year to meet the stars at Goldendale Observatory State Park.

Solar and Star Gazing

Goldendale Observatory south domeGoldendale Observatory State Park

1602 Observatory Dr
Goldendale, WA 98620


Park closure: The Goldendale Observatory will be closed March 1, 2018 and will reopen after major upgrades and renovation. During this time, solar and dark sky interpretive programs will take place at the nearby Stonehenge building (located at 87 Stonehenge Drive) beginning April 5, 2018. Stonehenge hours will be 1 to 11:30 p.m. Fridays through Sundays.

Open Fri-Sun | Closed Mon-Thu
At Maryhill Stonehenge Campus

4:00 pm Solar Show &  8:30 pm Evening Show
Stonehenge Facility Hours
Opens at 1:00 pm
Closes at 11:30 pm