New Event: Responsible Recreation

A group of backpackers on Skyline-to-the-Sea Trail.

Get Tips on How to Best Engage with Nature While Enjoying Your Favorite Outdoor Activities!

Saturday, November 16, 2019 from 9:00 a.m. – 1:00 p.m.

Learn about responsible recreation activities with us at Castle Rock State Park!

Castle Rock State Park, Robert C. Kirkwood Entrance 15451 Skyline Blvd, Los Gatos, CA 95033

Being in nature is proven to de-stress and refresh our human lives. What is our human impact on nature? For future generations to enjoy vibrant wild landscapes of the Santa Cruz Mountains, we need to do our part in minimizing negative impacts to the environment. Participate in experiences with a variety of outdoor adventure organizations and learn how you can do your part! Activities by REI, Portola & Castle Rock Foundation, and Midpeninsula Regional Open Space District. Sponsored by Sempervirens Fund.

This is a FREE event. Registration is not required but sign up here if you would like to receive updates about the event!


Sempervirens Fund and our partners will have booths, activities, and/or presentations throughout the event.

  • Sempervirens Fund
    • Booth: 9:00 a.m. – 1:00 p.m.
  •  REI
    • Booth & Activities: 9:00 a.m. – 1:00 p.m.
  • Portola & Castle Rock Foundation
    • Booth: 9:00 a.m. – 1:00 p.m.
  • Midpeninsula Regional Open Space District
    • Booth & Children’s Activities: 9:00 a.m. – 1:00 p.m.
  • State Parks
    • Interpretive Cart: 9:00 a.m. – 1:00 p.m.

*Activity times may shift, please sign up here or check back on this page for an updated schedule!*

For more information about the new entrance, please visit our Castle Rock State Park page.


From Los Altos:

  • From I-280 South, use the right two lanes to take exit 12 to merge onto CA-85 S toward Gilroy. Continue 4.7 miles and take the Saratoga Ave exit. Use the right two lanes to turn right onto Saratoga Ave. Continue onto CA-9 S/Big Basin Way for 7.3 miles, then take a sharp left onto CA-35 S. Continue 2.2 miles, and the destination will be on the right one driveway north of the old Castle Rock entrance (now the Overflow Lot).

From Santa Cruz:

  • From CA-17 N: continue 18 miles and take the exit toward Bear Creek Road. Turn right onto Montevina Road, followed by a left onto Black Road. Follow Black Road 9.1 miles to CA-35 N. Turn right, and continue 4.2 miles, the destination will be on the left, one driveway north of the old Castle Rock entrance (now the Overflow Lot).
  • From CA-9 N/Hwy 9 in Felton: continue 14.3 miles until the junction at Big Basin Highway/CA-236. Turn right onto CA-9 and continue for 6 miles to CA-35 S. Turn right, and continue 2.2 miles, the destination will be on the right one driveway north of the Castle Rock entrance (now the Overflow Lot).


Parking is limited and fills up quickly, so we recommend carpooling if possible! Please plan accordingly.

  • Robert C. Kirkwood Entrance: Vehicle day-use fees are $10 per vehicle –or free if you have an annual California State Parks Parking Pass.
  • Additional Parking: The old Castle Rock State Park parking lot (now called the Overflow Lot) will be used for overflow parking. All visitors should check in at the new Kirkwood entrance before attempting to park in the Overflow Lot.

Water and Restrooms

The new entrance has a refillable water station and flushing toilets.

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