Southern Oregon Skywatchers
- Newsletter, meetings, star parties, educational resources, events, and library located at Medford.
- http://www.orskywatchers.org/

Rose City Astronomers
- Calendar, newsletter, projects, and star party schedules located in Portland.
- http://www.rca-omsi.org/

Night Sky 45 Astronomy Club
- Non-profit, volunteer organization dedicated to promoting the enjoyment and education of astronomy and is open to the public located in Salem.
- http://www.nightsky45.com/

Eugene Astronomical Society
- Find meeting information, calendar, observing resources, announcements, and links.
- http://www.eugeneastro.org