San Onofre State Beach, located in the state of California, offers visitors a stunning coastal experience with breathtaking views, beautiful sandy beaches, and a variety of recreational activities. This summary is based on information from multiple independent sources to ensure accuracy.

Reasons to Visit:
1. Beautiful Beaches: San Onofre State Beach is renowned for its picturesque sandy beaches, pristine waters, and scenic coastal bluffs, making it a perfect destination for swimming, sunbathing, and beach activities.
2. Surfing Paradise: The beach is famous for its consistent surf breaks, attracting surfers from around the world. The renowned surf spots, including Trestles, attract both seasoned surfers and beginners looking to catch a wave.
3. Recreational Activities: The park offers a wide range of activities such as picnicking, hiking, biking, camping, fishing, and wildlife viewing. There are also designated areas for volleyball and basketball.
4. Natural Beauty: The area boasts diverse ecosystems, including coastal sage scrub and sandy beaches, providing ample opportunities for nature lovers and photographers to explore and capture the beauty of the surroundings.

Points of Interest:
1. Trestles Beach: A world-renowned surf spot with consistent waves and a relaxed atmosphere. It is known for its five separate breaks, attracting surfers of all skill levels.
2. San Onofre Bluffs: This area offers stunning coastal views and is a great spot for hiking along the bluffs, offering panoramic views of the Pacific Ocean.
3. San Mateo Campground: A popular camping area within the park that provides RV and tent camping facilities, picnic areas, and access to the beach.
4. San Onofre Nuclear Generating Station (SONGS): Although no longer operational, the decommissioned nuclear power plant stands as an interesting structure and reminder of California's energy history.

Interesting Facts:
1. San Onofre State Beach covers approximately 2,400 acres and is one of California's largest state parks along the coast.
2. The beach is named after the nearby San Onofre Creek, which was named by Spanish explorers in honor of Saint Onuphrius.
3. The San Onofre Bluffs and San Mateo Campground were once part of a World War II Marine Corps training facility.
4. San Onofre State Beach is home to a diversity of wildlife, including several endangered species such as the California least tern and Pacific pocket mouse.

Best Time to Visit:
The best time to visit San Onofre State Beach is during the late spring and summer months, from May to September, when the weather is generally warm and conducive to beach activities. However, it's worth noting that the beach can be crowded, especially on weekends and holidays. To avoid the crowds, visiting on weekdays or during the shoulder seasons of spring and fall can provide a more peaceful experience.

Please note that conditions and accessibility at San Onofre State Beach may vary, so it's always a good idea to check with official park websites or local authorities for the most up-to-date information before planning a visit.