Antioch Dunes National Wildlife Refuge
|Antioch Dunes National Wildlife Refuge|
IUCN category IV (habitat/species management area)
Antioch Dunes Evening Primrose
|Location||Contra Costa County, California, United States|
|Nearest city||Antioch, California|
|Area||55 acres (0.22 km2)|
|Governing body||U.S. Fish and Wildlife Service|
Antioch Dunes National Wildlife Refuge is a sensitive sand dune habitat located near the city of Antioch, California on the south shore of the San Joaquin River. It serves as a refuge for three endangered species of plants and insects, and is closed to the public except for tours and events supervised by Refuge staff. The Refuge was established in 1980. It is managed by the U.S. Fish and Wildlife Service.
Endangered Species 
The species protected at Antioch Dunes are Lange's metalmark butterfly, the Antioch Dunes evening primrose, and the Contra Costa wallflower. See the Lange's metalmark article for some background on the decline of the Antioch Dunes habitat prior to the formation of the Refuge.