Clays One Thousand Ranch Park is a 1,000-acre park located in the southernmost part of California, close to the Mexican border. The park offers a range of outdoor activities, including hiking, mountain biking, bird watching, and horseback riding. Visitors can also explore the park's unique geological formations, which include large boulders, rocky outcroppings, and narrow canyons.

One of the park's main attractions is its extensive network of trails, which range from easy to challenging. Hikers and mountain bikers can explore the park's rugged terrain, while bird watchers can spot a variety of species in the park's riparian areas and wetlands. Horseback riding is also popular, with several guided tours available.

Other points of interest in the park include the historic adobe ranch house, which dates back to the 1800s and is now a museum, and the park's extensive collection of Native American rock art, which can be found throughout the park.

Interesting facts about the park include its location along the San Andreas Fault and its role as a critical wildlife corridor, providing critical habitat for a variety of species, including mountain lions, bobcats, and golden eagles.

The best time to visit Clays One Thousand Ranch Park is in the spring or fall when the weather is mild and the park is less crowded. However, visitors should be aware that the park can be very hot and dry in the summer months, with temperatures regularly exceeding 100 degrees Fahrenheit.