High Quality Content by WIKIPEDIA articles! Coyote Creek is a principal tributary of the San Gabriel River in northwest Orange County, southeast Los Angeles County, and southwest Riverside County in the U.S. state of California. It drains a land area of roughly 41.3 square miles (107 km2) covering five major cities, including Brea, Buena Park, Fullerton, La Habra, and La Palma. Some major tributaries of the creek in the highly urbanizedwatershed include Brea Creek, Fullerton Creek and Carbon Creek. The mostly flat creek basin is separated by a series of low mountains, and is bounded by several small mountain ranges, including the Chino Hills, Puente Hills and West Coyote Hills.