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Castle Rock State Park: A Skyline Sanctuary

Explore sculpted sandstone, redwood forests, and panoramic views in the Santa Cruz Mountains at Castle Rock State Park. Hiking, climbing, and nature await!

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Castle Rock State Park, nestled in the Santa Cruz Mountains near Los Gatos, California, offers a diverse landscape of sculpted sandstone formations, lush forests, and panoramic vistas. With over 34 miles of trails, it's a haven for hikers, rock climbers, and nature enthusiasts seeking a connection with the outdoors.

A brief summary to Castle Rock State Park

Local tips

  • Weekdays are optimal to visit the park to ensure you get a parking spot.
  • Bring cash for the self-registration via envelope system.
  • There is no cell reception within the park and the surrounding area.
  • Bring your own water as water availability in the park is very limited.
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Getting There

  • Driving

    Castle Rock State Park is located on Highway 35, approximately 2.5 miles southeast of its junction with Highway 9. From either San Jose or Santa Cruz, take Highway 9 to Highway 35 and proceed south. The park entrance will be on the right. Parking is available in the main lot for $10 per day, payable at the self-serve kiosks. Credit card payments are encouraged. Be aware that the Kirkwood Entrance gate is locked daily at sunset.

  • Walking

    From the Castle Rock parking lot, several trails are accessible. The Castle Rock Trail leads directly to Castle Rock in a quarter mile. To reach Castle Rock Falls, follow the Castle Rock Trail and connect to the Saratoga Gap Trail. Be aware that the trails are rugged, with rocks and roots, so wear appropriate footwear.

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Discover more about Castle Rock State Park

Castle Rock State Park, established in 1968, spans over 5,500 acres atop the Santa Cruz Mountains, offering a unique blend of wilderness and recreational opportunities. The park's history stretches back long before its official designation, with the Ohlone people utilizing the area for sustenance, spiritual connection, and resource management. The park's distinctive sandstone formations, sculpted by time and erosion, create a playground for rock climbers and a source of wonder for all. These formations, known as tafoni, feature pits, pockets, and honeycomb structures, resembling sleeping giants and offering unique photo opportunities. Hiking trails wind through diverse ecosystems, from high-elevation coast redwoods and California black oaks to knobcone pines. The 33-mile Skyline-to-the-Sea Trail connects Castle Rock to Big Basin Redwoods State Park, offering an extended backpacking adventure. Shorter trails, like the Saratoga Gap and Ridge Trail Loop, lead to Castle Rock Falls, Goat Rock, and panoramic overlooks. The park's cultural history includes early logging operations spurred by the Gold Rush, followed by farming and orchards in the early 1900s. Judge Joseph Welch played a crucial role in preserving the area by opening his land for public enjoyment in 1908. Later, the Sierra Club and Sempervirens Fund contributed to the park's establishment in memory of Dr. Russell Varian, a pioneer of x-ray and radar technology who explored the area in his youth. Today, Castle Rock State Park continues to evolve, with recent improvements including a new entrance with modern amenities and expanded trail systems. It remains a sanctuary for those seeking natural beauty, outdoor recreation, and a connection to the rich history of the Santa Cruz Mountains.

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