See below for a list of California State Parks located in Sonoma County.
Annadel State Park
For wildflower lovers, Annadel 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.
Armstrong Redwoods State Natural Reserve
The serene, majestic beauty of this Grove is a living reminder of the magnificent primeval redwood forest that covered much of this area before logging operations began during the 19th century. Armstrong Redwoods preserves stately and magnificent Sequoia sempervirens, commonly known as the coast redwood. These trees stand together as a testament to the wonders of the natural world. The grove offers solace from the hustle and bustle of daily life, offering the onlooker great inspiration and a place for quiet reflection.
Austin Creek State Recreation Area
Austin Creek State Recreation Area is adjacent to Armstrong Redwoods State Natural Reserve and is accessed through the same entrance. With open woodlands, rolling hills, and meadows, its topography offers a strong contrast to the dense, primeval redwood forest below.
Fort Ross State Historic Park
Fort Ross was a thriving Russian-American Company settlement from 1812 to 1841. This commercial company chartered by Russia's tsarist government controlled all Russian exploration, trade and settlement in the North Pacific, and established permanent settlements in Alaska and California. Fort Ross was the southernmost settlement in the Russian colonization of the North American continent, and was established as an agricultural base to supply Alaska.
Jack London State Historic Park
Jack London State Historic Park is a memorial to writer and adventurer Jack London, who made his home at the site from 1905 until his death in 1916. The park was once part of the famous writer’s Beauty Ranch. A 3/4 mile walk takes visitors to a dam, lake, and bathhouse built by London. Other hikes lead up through fir and oak woodlands to views of the Valley of the Moon.
Kruse Rhododendron State Natural Reserve
Kruse Rhododendron State Natural Reserve is located adjacent to Salt Point State Park. Edward P. Kruse donated the land to the people of California in 1933 as a living memorial to his father, a founder of San Francisco's German Bank.
Petaluma Adobe State Historic Park
Petaluma Adobe State Historic Park was the main residence of Rancho Petaluma, the agricultural empire that General Mariano Guadalupe Vallejo one of the most powerful men in the Mexican Province of California from 1834 to 1846. The park has shaded picnic areas with views of farmland and oak-studded hills.
Salt Point State Park
Rocky promontories, panoramic views, kelp-dotted coves, and the dramatic sounds of pounding surf; open grasslands, forested hills, pristine prairies, and pygmy forests- you can experience all of these coastal wonders within the Salt Point State Park. With 20 miles of hiking trails, over six miles of rugged coastline, and an underwater park, you can enjoy a variety of picnicking, hiking, horseback riding, fishing, skin and SCUBA diving, and camping.
Sonoma Coast State Park
Long sandy beaches below rugged headlands, a craggy coastline with natural arches and secluded coves are features that make Sonoma Coast State Park one of California's most scenic attractions. The Beach, actually a series of beaches separated by rock bluffs and headlands, extends 17 miles from Bodega Head to Vista Trail located 4 miles north of Jenner.
Sonoma State Historic Park
The historic, picturesque town of Sonoma is located in the heart of the beautiful Wine Country between Napa and Santa Rosa off Highway 12. Situated around a central plaza (the largest of its kind in California) filled with charming shops and restaurants, the city is home to Sonoma State Historic Park—site of the northernmost Franciscan Mission in California and birthplace of the California State Bear Flag.
Sugarloaf Ridge State Park
Sugarloaf Ridge State Park contains the headwaters of Sonoma Creek. It runs through gorge and canyon, across the meadow floor, beneath scenic rock outcroppings, and is surrounded at times by redwoods and ferns.