Border Field State Park is located in southern California, near the U.S.-Mexico border. It features beautiful coastal landscapes, including sandy beaches and wetlands, making it a popular spot for picnicking, hiking, and birdwatching. The park is also home to the Tijuana River National Estuarine Research Reserve, which supports diverse wildlife. Visitors can explore the park's trails and enjoy views of the Pacific Ocean and the Mexico border fence. The park is known for its unique location, where the U.S. and Mexico meet, and offers educational programs about the area's ecology and cultural significance.