Sugarloaf RidgeState Park
Footpath through green grassland below chaparral-covered ridges

Contact — Sugarloaf Ridge State Park

sugarloafridgepark.com is an independent informational website. We do not manage the park, issue permits, take campsite reservations or sell park passes, and we do not respond to trail reports. Sugarloaf Ridge State Park is owned by California State Parks and run day to day by the nonprofit Sonoma Ecology Center; contact them directly for anything about the park.

Sugarloaf Ridge State Park — Park Office

Camping Reservations

Robert Ferguson Observatory

The observatory is run by a separate nonprofit, the Valley of the Moon Observatory Association. For viewing nights, tickets and accessibility questions: 707-833-6979 or rfo.org.

Emergencies and Trail Reports

School Groups

School tours and school groups are free for day use with prior coordination through the park office (707-833-5712 or sugarloaf@sonomaecologycenter.org).

About This Website

Questions or corrections about this site: support@sugarloafridgepark.com. For anything park-related, use the contacts above.