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Castle Rock State Park: A Santa Cruz Mountain Jewel

Explore sculpted sandstone, redwood forests, and panoramic vistas in this Santa Cruz Mountain wilderness. Hiking, climbing, and backpacking await!

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Castle Rock State Park, nestled in the Santa Cruz Mountains, offers 5,242 acres of sculpted sandstone formations, lush forests, and panoramic vistas. Popular for hiking, rock climbing, and backpacking, the park provides a rugged wilderness experience just a short drive from the Silicon Valley.

A brief summary to Castle Rock State Park

Local tips

  • Arrive early, especially on weekends, as the parking lot fills quickly.
  • Bring your own water, as there are no water filling stations within the park.
  • Be aware of poison oak along the trails and stay on marked paths.
  • Check the park's website for current operating hours and any trail closures.
  • Note that cell service is unreliable in the park, so download maps and information beforehand.
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Getting There

  • Driving

    Castle Rock State Park is located off Highway 35, a few miles from where you leave Highway 9. From Highway 35, follow signs to the Robert C. Kirkwood Entrance. Parking is available in the park's lot for $10 per day, payable at self-serve kiosks. Note that the Kirkwood Entrance gate is closed and locked every day at sunset. Limited free parking may be available on the road.

  • Public Transport

    While there is no direct public transportation to Castle Rock State Park, you can take a bus to a nearby town like Los Gatos and then take a taxi or ride-sharing service to the park. Be aware that cell service is unreliable in the park, so arranging a ride back may be challenging. Taxi/ride-share from Los Gatos to Castle Rock State Park will cost approximately $30-$50.

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Discover more about Castle Rock State Park

Castle Rock State Park, established in 1968, is a sprawling 5,242-acre wilderness located along the crest of the Santa Cruz Mountains. The park is characterized by its high ridges, deep canyons, and unique sandstone formations. These formations, sculpted by millions of years of erosion, feature pits, pockets, and honeycomb structures known as tafoni, creating a surreal landscape. The park's history stretches back long before its official designation. The Ohlone people, the original inhabitants of the area, used the land for sustenance, spiritual connection, and medicinal purposes. European settlers arrived in the 18th century, followed by logging operations in the 19th century that significantly altered the landscape. In the early 20th century, conservation efforts led by locals and organizations like the Sempervirens Fund secured the land's preservation, culminating in the park's establishment. Today, Castle Rock State Park offers over 34 miles of trails for hiking, backpacking, and horseback riding. The park is also a popular destination for rock climbers, drawn to the challenging routes on Castle Rock and Goat Rock. The 33-mile Skyline-to-the-Sea Trail connects Castle Rock to Big Basin Redwoods State Park, offering an extended backpacking experience. Shorter trails, like the 1.3-mile Castle Rock Falls trail, provide access to scenic waterfalls and valley views. Visitors can explore the park's diverse ecosystems, including coast redwood forests, chaparral, and riparian habitats. The park's high elevation offers panoramic views of Monterey Bay and the San Lorenzo Valley. However, it's important to note that cell reception is unreliable within the park, and dogs are prohibited.

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