Looking for one of the many astronomical observatories in the Pacific Northwest? Here is a full listing of these observatories at the time of publication. Please note that hours and admission could change depending on the time of year, as well as construction and other changes could affect hours. We also provide resources to other Pacific Northwest resources such as museums and astronomical sites.
LIGO Hanford Observatory
Manastash Ridge Observatory (MRO)
Goldendale Observatory — Closed Temporarily for Rennovation
Theodor Jacobsen Observatory (TJO)
Pacific Northwest Regional Observatory