Hill Slough Wildlife Area


Hill Slough Wildlife Area is approximately 1,700 acres of salt tidal marsh, managed marshes, sloughs and upland grassland. The area supports a wide variety of waterfowl, including pintail, mallard, shoveler, green-winged teal, and wigeon. Raptors such as northern harriers, white-tailed kites, kestrels, and red-tailed hawks can be seen hunting the grasslands. Raccoons, jackrabbits, and voles make their homes here and may provide a meal for the coyotes that hunt and live in the wildlife area.

For more information, call the area at (707) 425-3828 or the Bay Delta Region Fairfield office at (707) 428-2002.

Recreational Opportunities

wildlife viewing fishing restrooms

Activities: wildlife viewing and birdwatching

Facilities: None

NOTE: Visitors are responsible for knowing and complying with all regulations pertaining to the use of Department lands.

Refer to the Public Uses on State and Federal Lands section of the Waterfowl, Upland Game, and Public Use Regulations (PDF) booklet for both statewide and property-specific regulations.

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You may not operate a drone on CDFW Lands without a Special Use Permit.

Area History

Hill Slough, a relatively small wildlife area, was originally acquired to meet mandates of the state's Suisun Marsh Preservation Act of 1977. The first acquisition of 1,100 acres was in 1978. The property was designated as a wildlife area by the Fish and Game Commission in 1979. Subsequent acquisitions and donations have expanded the site.

Related Documents

Outdoor California Articles

Map of Hill Slough WA - click to enlarge in new window
Click to enlarge


Bay Delta Region (Region 3)

Solano County

east of Suisun City

Access: Highway 12 through Suisun City. Turn south onto Grizzly Island Road, which is approximately 3 miles west of the Highway 12 junction with Interstate 80. The wildlife area spans both sides of Grizzly Island Road from Highway 12 south for about 2 miles.

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