Donate Today and Support Sugarloaf

  • Donate $25.00 and your support maintains one campsite for a month
  • Donate $50.00 and your support offers a school group visit
  • Donate $75.00 your support supplies materials for trail restoration
  • Donate $100.00 and receive 2 complimentary day-use passes

Any Level of support is always welcome.


Support Sugarloaf Ridge State Park

Together we are the caretakers of this incredible Sonoma County gem. Please support Team Sugarloaf  and help us keep Sugarloaf Ridge State Park open and thriving for everyone!

Your membership or donation supports park operations, including projects to maintain Sugarloaf’s beauty, accessibility, and park amenities.

More than just a park, Sugarloaf Ridge allows visitors to appreciate the tremendous beauty of the North Bay — and, through the Robert Ferguson Observatory, the universe!

Sustaining your park requires a team effort. Please help to share the responsibility for caring for this special place by becoming a member, or making a gift today! Your contribution provides the funding needed to ensure Sugarloaf Ridge State Park can flourish today, tomorrow and and well into the future!

To learn more about the ways that you can support this amazing resource, please contact Sonoma Ecology Center’s Development Office: (707) 996-0712 or

Sugarloaf Ridge State Park Entrance