Refugio Creek (pronounced RUH-foo-GEE-oh from Spanish refugio meaning: shelter) is a 4.4-mile-long (7.1 km) watercourse running through the Refugio Valley from the hills of western Contra Costa County, California, to its mouth at San Pablo Bay through the city of Hercules and unincorporated areas, including the town of Rodeo. The creek passes through a dense suburban area in addition to Refugio Valley Park.