For Detailed Information

To learn more about events
listed here, see
Public Astronomy
and Classes


Where we are:

Nestled in the hills of
Sugarloaf Ridge State Park

Longitude: West 122° 30' 28"
Latitude: North 38° 26' 18"
Elevation: 1275'

Map and Directions


Current sky conditions:

Call the Observatory at
(707) 833-6979
or see the
Clear Sky Chart


What to Wear:

Warm layers, gloves and hats. Wool socks and sturdy shoes are helpful. Nights can be very cold. Bring a flashlight. We will provide red cellophane covers to protect your night vision.


RFO Calendar

2014 RFO Events

Monthly Listing of Public Events and Classes

December 2014
  • Tuesday, 12/16/2014 - Night Sky Fall Series
    Time: 7 PM - 12 Midnight
    • Learn the constellations, stars, deep sky objects, and more. Includes observing. (Class #6 of 6) Reservations Recommended

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