Border Field State Park
（重定向自Border Field）
Border Field State Park is a state park of California, United States, containing beach and coastal habitat on the Mexico–United States border. The park is located within the city limits of Imperial Beach in San Diego County, adjacent to the suburb of Playas de Tijuana in Mexico. It is the southwesternmost point of the contiguous United States and is also the southernmost point in the state of California. Immediately adjacent is the monument marking the Initial Point of Boundary Between U.S. and Mexico.