Trione-Annadel State Park

The state park in the heart of Santa Rosa is a favorite for hikers and cyclists, offering miles of trails for hiking, mountain biking, and trail riding.For wildflower lovers, Trione-Annadel State Park offers a great variety of flowers from early Spring until early Summer, especially on a hike around Lake Ilsanjo.

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  • Trione-Annadel State Park Photo
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Location

6201 Channel Drive
Santa Rosa CA, 95409

Contact

Local: 707-539-3911

  • Description
  • Reviews
  • The state park in the heart of Santa Rosa is a favorite for hikers and cyclists, offering miles of trails for hiking, mountain biking, and trail riding.

    For wildflower lovers, Trione-Annadel State Park offers a great variety of flowers from early Spring until early Summer, especially on a hike around Lake Ilsanjo. The best months to see the park's wildflowers are April and May, but there are some plants in bloom as early as January and as late as September.

    Open daily from 8 a.m. to sunset

    • Terrific place to hike

      I’ve been hiking here for many years. There are many trails, some right from Spring Lake Park and many more if going by a map. Lovely Sonoma County landscapes and trees.

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    • Good hike

      Nice place to hike - get away from it all! Seems like a good place to mountain bike too. Trails are well marked and easy to manage.

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    • Annadel State Park

      This is a great state park to hike in with many different trail heads to start from - We hiked to Lake Ilsanjo and had a picnic. Saw tons of deer and a very friendly goose who swam across the lake...

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