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Photo: Tony Webster from Portland, Oregon, United States, CC BY 2.0 via Wikimedia Commons
Mainly within Imperial Beach, but only accessible from San Ysidro. It includes the International Friendship Park, which is just inland from the place where the border meets the ocean. The road in the park is only open to vehicles on weekends when there is no flooding, but the park is still open when the gates are closed.
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 within the city limits of Imperial Beach in San Diego County, next to the suburb of Playas de Tijuana in Mexico. It contains the southernmost point in the state of California. The refuge forms the southern part of Tijuana River National Estuarine Research Reserve.
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A valley that used to be known for smuggling and unauthorized travel between the United States and Mexico. A large embankment had been built to block the valley at the border.
An 1800-acre San Diego County park along the Mexican border that includes a bird and butterfly garden and a sports complex.