Willow Campground in CA -- Campground & RV Camping in California
Willow Campground in CA
CA State Parks allows overnight stays only at the designated sites here.
Willow Campground at Brannan Island State Recreation Area sits on the Sacramento-San Joaquin Delta along Three Mile Slough. The 102-site family campground offers primitive camping with fire rings, picnic tables, and restrooms with showers. Ideal for boating, fishing, and water recreation—the sloughs support striped bass, black bass, bluegill, and sturgeon. Swimming beach nearby, mild climate, and quieter conditions in fall and winter.
Grounded in parks.ca.gov · read August 24, 2026The road in has not been measured -- unknown, not bad. Sits on broad, near-level ground.
A river runs 0.1 mi off. Exposed here -- the nearest through road is 0.1 miles off. Night skies measure Bortle 4 -- a rural sky with a glow on the horizon. The nearest town, Rio Vista, is 4.4 mi off.
September normals 57–85°F, 0.1″ rain. Monthly averages, PRISM 1991–2020.