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.


WHY WE EXIST

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


PROJECTS & UPDATES 

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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ABOUT THE PARK

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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