
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
- Park office: 707-833-5712 (9 a.m. to 5 p.m. daily)
- Campground office: 707-833-6084
- Address: 2605 Adobe Canyon Road, Kenwood, CA 95452
- Email: sugarloaf@sonomaecologycenter.org
- Operator website: sugarloafpark.org
- California State Parks page: www.parks.ca.gov/?page_id=481
Camping Reservations
- ReserveCalifornia: 1-800-444-7275
- First-come campsites: call the park at 10 a.m. on your arrival day (707-833-6084 or 707-833-5712)
- Glamping and gear rentals: campsugarloaf@sonomaecologycenter.org
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
- Emergency: 911
- Downed trees and trail problems: park office 707-833-5712, 9 a.m. to 5 p.m., or sugarloaf@sonomaecologycenter.org after hours
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.