Browns Island (California)
Browns Island is a regional preserve of the East Bay Regional Park District in Pittsburg, Contra Costa County, California, United States. It is an island in Suisun Bay, part of the Sacramento-San Joaquin River Delta, separated from Pittsburg by New York Slough. The island is separated from Winter Island to the east by Middle Slough, and bounded by New York Slough on the south and Suisun Bay on the west and northwest. The East Bay Regional Park District has published a guide to the wild plants that grow on this island.
The island is home to six rare and endangered plant species, and a variety of aquatic birds.
