Napa-Sonoma Marshes Wildlife Area

Description

The Napa-Sonoma Marshes Wildlife Area is approximately 15,200 acres of baylands, tidal sloughs and wetland habitat. Many waterfowl species and shorebirds including the California Ridgway's rail can be found here. Most of the area is accessible by boat only, though some areas can be accessed from land.

This area is regularly used by hunters, fisherman, bird watchers, photographers, and hikers. It is comprised of the following units: Huichica Creek, Napa River, Southern Crossing, Ringstrom Bay, Wingo, Tolay Creek, Sonoma Creek, White Slough, Green Island, and American Canyon.

Please consult the Wildlife Tour Guide (PDF)(opens in new tab) for a description of the wildlife at each unit.

For more information, please contact the Bay Delta Region Fairfield office at (707) 428-2002.

Location

Bay Delta Region (Region 3)

Napa, Sonoma, & Solano Counties

just north of San Pablo Bay, primarily between the Napa River and Sonoma Creek

Please consult the Directions Tour Guide (PDF)(opens in new tab) for directions to the wildlife area’s various units.

Public Boat Launch Ramps:

Vallejo: next to Brinkman's Marine
Hudeman Slough*: in Sonoma County, on Skaggs Is. Road, 1 mile south of Ramal Road
Cuttings Wharf: in Napa County, on Cuttings Wharf Road, south of State Hwy 12/121

*The Hudeman Slough ramp is accessible with a key issued by the County Regional Parks Department, available by calling (707) 565-2041. For more information, see the County Parks website(opens in new tab).

Topographic Maps: Detailed 7.5-minute quadrangle maps are available through local map dealers or the US Geological Survey(opens in new tab). For this area, see "Sears Point" and "Cuttings Wharf".

CDFW Lands Viewer

Recreational Opportunities

Fishing boat Ramp Wildlife Viewing Hiking Trails Hunting with Shotguns Waterfowl Hunting Restrooms

Activities: fishing, boating, wildlife viewing, hiking, and hunting

To best appreciate this area, one needs to use a small boat or kayak and navigate the many sloughs that circulate through the interior of the marsh. Consult local tide tables(opens in new tab) for the best (and most safe) boating opportunities to tour the area. Also please be aware of waterfowl hunting activity during the months of October through January each year.

It is highly recommended that you print out a map and become familiar with it prior to visiting.

Bird List (PDF)(opens in new tab)

Facilities: Restrooms are available at Huichica Creek, Green Island and Napa River (Pond 1) Units.

Sunrise on Napa Slough and Napa River
Sunrise on Napa Slough and Napa River
Photo Courtesy of Karen Taylor, CDFW
Map of Napa-Sonoma Marshes WA - click to enlarge in new window
Click to enlarge

Photo Gallery

25 MAY
2016

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Red-tailed Hawk along the Napa River Unit, October 2008
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Wildlife Branch - Lands Program
Mailing: P.O. Box 944209, Sacramento, CA 94244-2090