The Petaluma River is a river in the California counties of Sonoma and Marin [1] that becomes a tidal slough for most of its length. The headwaters are in the area southwest of Cotati.

A natural refuge in the city, Petaluma River Park is a public park located on the Petaluma riverfront in the heart of downtown Petaluma, CA. It’s free and open daily from dawn to dusk.

Located in southern Sonoma County, and a portion of northeastern Marin County, the Petaluma River Watershed encompasses a 146 square mile, pear-shaped basin. The watershed is approximately 19 miles long and 13 miles wide with the City of Petaluma near its center.

The Petaluma River defines our historic downtown area and is a major attraction for recreational boaters, rowers, kayakers, photographers, bird watchers and anglers to explore, play or just relax. Only two miles from downtown, this serene haven for …

The Petaluma River is a veritable sea of activity attracting recreational boaters, rowers, kayakers, photographers, bird watchers and anglers to explore, play or just relax. Since the mid 1800s, the Petaluma River has been a vital commercial link for shipping produce and poultry to …

The Petaluma River is one of San Francisco’s most easily accessible outdoor playgrounds offering flat, calm water paddling with a state-of-the-art, float house and recently christened Petaluma River Park that will soon offer nature walks, more river access, and picnic spots.

The Petaluma River empties into the northwest portion of San Pablo Bay. The lower 12 miles of the Petaluma River flow through the Petaluma Marsh, the largest remaining salt marsh in San Pablo Bay. The marsh covers 5,000 acres and is surrounded by approximately 7,000 acres of reclaimed wetlands.

Our vision: A Petaluma River Parkway that preserves the river corridor and its sensitive habitat - and supports climate change resilience, health, and all members of our community. When Friends acquires land to protect, we are committed to paying fair market value to its owners.

The Petaluma River flows from its headwaters on Sonoma Mountain, past the city of Petaluma and out to San Pablo Bay. With a watershed smaller than that of neighboring Sonoma Creek, it was called Petaluma Creek up until about 1960, though most of it is actually a tidal slough.

Centrally located in the heart of Petaluma, California, visit the River Park at Copeland and D Streets (100 East D Street) at McNear Peninsula - it’s just off D Street through Steamer Landing. The Petaluma River Park Foundation’s mailing address is 159 H Street, Petaluma, CA 94952.