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Coming Events

(Observatory is open to the public
ONLY for scheduled events).

Star Parties

Saturday, September 23

Solar: 11am-3pm
Star Party begins 8 pm


Saturday, September 30

Solar: 11am-3pm
Star Party begins 8 pm


Give us your Feedback!

Fill out our Star Party Visitor Survey
and enter to win a
Private Event for your group!

Observing Lab

Small Group focused on a single topic:
"Star Death"
Sept. 16, 7pm

Night Sky Classes

Sep. 18, Oct. 16, Oct. 23,
Nov. 13, Nov. 20, Dec. 11

Learn about the seasonal sky, with telescope
observing after class. Details

New Docent Training

Begins Sept. 12, 7pm

To sign up fill out a Volunteer Application Form
or contact Steve Smith at ssmith@rfo.org

Want to help us keep our doors open?


RFO at night

Above: The Observatory at night. Photo by Mark Hillestad
Top right photo of Refractor Telescope by Jerry Telfer


Rent an

Yes, you can!
Treat your family, friends,
or group of up to 50 people
to a night with the stars!


Weather Forecast

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Click on chart for detailed explanation.

Sugarloaf Ridge
State Park

"Team Sugarloaf" operates Sugarloaf Ridge,
including the campground. Five nonprofit organizations formed a unique partnership that has worked tirelessly to keep our park open.  

Partners are: Sonoma Ecology Center; United Camps, Conferences and Retreats; Valley of the Moon Natural History Association; Sonoma County Trails Council; and Valley of the Moon Observatory Association.  

With expertise in campground operations, ecological restoration, astronomy, trails management, and volunteer recruiting and training, Team Sugarloaf is creating new opportunities for Sugarloaf Ridge and its visitors.  Visit sugarloafpark.org for more information.

Come to stargaze and camp at Sugarloaf Ridge!