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.

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  By jenedc2016 - on Apr 21, 2023

  Wonderful State Park Connecting to Parks in Town

  Annadel State Park is a wonderful, large state park in Santa Rosa. Part of it conveniently extends right in town, connecting directly to neighborhoods in eastern Santa Rosa as well as connecting by...

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  By Maxine H - on Mar 20, 2022

  Good mountain biking and hiking

  Good mountain biking and good for hiking, but no dogs allowed. Located right in Santa Rosa, but not busy at all

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  By Jenny-Jetset - on Sep 12, 2021

  Natural beauty & wildlife abound

  There’s nothing like walking through a grove of trees with peek-a-boo views across the rolling hills, tranquil natural settings and birdsong. #1 of 10 favorite walks in the region.

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