Friends of Trione-Annadel is the nonprofit dedicated to protecting the health of our treasured local state park, Trione-Annadel. Through donations from our community, we support the maintenance and development of its trails, structures, and open spaces - ensuring a healthy environment for wildlife and continued accessibility for the public.

The Friends of Trione-Annadel invite you to our 3rd Annual Fundraising ‘Virtual’ Event benefiting the critical maintenance and beautification of our local gem, Trione-Annadel State Park. The park has over 45 miles of official trails and hosts 12-13,000 visitors per month. We cannot continue to help improve and enhance access to this incredible community resource without your support.

Join us for an inspiring evening featuring a keynote presentation from Gaye LeBaron, a newspaper columnist, author, teacher, and local historian of Sonoma County; a live paddle raise to fund important maintenance work and state of the art fire fighting equipment, stories from inspiring local firefighters and park users, and surprise guest appearances. There will also be opportunities to get some exclusive Friends of Trione-Annadel surprises and delights.

Please join us, every donation makes an impact, and allows the park to continue to be a local resource for generations to come.

For more information about the virtual event please visit our event website.

Please Help Fund Fire Fighting at Trione-Annadel State Park

Fire fighting has become a critical job for the rangers and staff at Trione-Annadel State Park. They have asked FOTA to fund three QTAC 85HP mobile firefighting skids and associated equipment. The QTAC 85HP will allow them to respond quickly to control fire ignition sites and save structures. These skids will mount on the Kubota ATV that you helped purchase in 2019 and in State Park pickup trucks. Your donations to FOTA will help purchase these units and make Trione-Annadel part of the community response to wild fire in our area. Thank you!

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Friends of Trione-Annadel was created in September 2017 in response to increasing maintenance needs of a highly used recreational area which continues to experience declining public funding.

Trione-Annadel State Park hosts 12-13,000 people per month of all types - hikers, mountain bikers, runners, equestrians, and more. The park has over 45 miles of official trails. Due to State budget cuts, the park relies heavily on volunteers to maintain the trails. Read more


With support from many generous donors, Friends of Trione-Annadel has funded numerous projects benefiting the park. Recent projects included the installation of 17 new Kiosks (donated by the Trione family) throughout the park and the completion of repairs to the dam at Lake Ilsanjo.

Our goals for 2020-21 include supporting completion of approved trail work on Channel, Two Quarry, and Lawndale trails and educational opportunities for grammar school programs throughout Sonoma County.

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Trione-Annadel State Park is situated at the northern edge of Sonoma Valley and is adjacent to Spring Lake Regional Park in the City of Santa Rosa. Within its 5,200 acres and 40+ miles of hiking, biking and equestrian trails, it offers many recreational and wildlife viewing activities.

Trione-Annadel State Park's interconnected trail system includes an 8.5 mile section of the Bay Area Ridge Trail. The park’s trails are a popular destination for runners, hikers, mountain bikers and equestrians. Read more

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