< all observatories

Observatories in Washington

There are 8 astronomical observatories in the state of WA that have telescopes used for astronomy research. Some observatories are complexes that host multiple telescopes at the same site. Not all observatories may be open to the public. Please contact them for any public outreach programs. Also see astronomy clubs in WA.

OBSERVATORY	LOCATION
Goldendale Observatory	Goldendale
Herold Observatory	Onalaska
Jewett Observatory	Pullman
LIGO Hanford Observatory	Benton
Manastash Ridge Observatory (MRO)	Ellensburg
Pacific Northwest Regional Observatory	Wallula
Ritchie Observatory	Brainbridge Island
Theodor Jacobsen Observatory (TJO)	Seattle