Supporting Portola Redwoods and Castle Rock State Parks

Interpretive programs. Trail improvements. Visitor enhancements.

Castle Rock and Portola Redwoods State Parks offer stunning hiking trails, world-class rock climbing, and awe-inspiring redwood forests—just to name a few of their many attractions. The Portola and Castle Rock Foundation is dedicated to preserving and enhancing these Bay Area treasures. Discover what we’ve accomplished, what we’re working on now, and the many ways you can get involved and support our mission.

Current Projects

Enhancing visitor experiences and improving safety and accessibility.

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Past Projects

Completed initiatives to make the Parks more inclusive, educational, and enjoyable.

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Get Involved

Discover the many ways you can join us in making a difference—your support creates lasting impact!

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Upcoming Events

PCRF Annual Appreciation Event, Saturday, 9/26/26

Celebrating Our Members, Donors & Volunteers

Castle Rock State Park — Main Kirkwood Entrance, 11:00 AM – 2:00 PM

We’re excited to invite you to the Portola and Castle Rock Foundation’s Annual Appreciation Event — a special day dedicated to thanking the members, donors, and volunteers who make our work possible.

This year, Sempervirens, Bay Area Climbers Coalition and California Native Plant Society will be joining us to help celebrate the incredible community that supports Castle Rock and Portola Redwoods State Parks.

🎉 Event Highlights

Lunch from The Waffle Roost food truck will be provided for all invitees and available for purchase for the general public
Live music by David Anthony
Community nonprofit organizations Sempervirens, Bay Area Climbers Coalition and California Native Plant Society will be on hand to share their mission with visitors
Raffle — winners every 20-30 minutes
PCRF PopUp store with merchandise for sale — all proceeds are reinvested in Castle Rock and Portola Redwoods State Parks
Guided hike through Castle Rock (2 pm)
Amphitheater Talks (11:30-1:30 pm)
- 11:30 am Miles Standish, former Castle Rock Ranger and PCRF board member: stories about his time at Castle Rock
- 12:00 pm Sempervirens: history of Castle Rock
- 12:30 pm Bay Area Climbers Coalition: their work, and their new “don’t climb alone” initiative and more
- 1:00 pm California Native Plant Society

📍 Event Details

Cost: Free Parking: $10
Weather: Bad weather will cancel

We truly hope you’ll join us for this uplifting day in the park.

Thank you for everything you do to support our mission. Your dedication keeps these parks thriving.

Green Friday Hike, Friday, 11/17/26

Meeting point: Details will be announced in October 2026.
Meeting time: Details will be announced in October 2026.

Join us for a guided hike in Castle Rock or Portola Redwoods park, led by an experienced guide who will point out local plants, wildlife, and key features along the trail. The hike is suitable for a range of skill levels and offers a relaxed way to explore the parks while learning more about their diverse features. Bring comfortable shoes, a jacket, water, and curiosity for an enjoyable and educational time on the trail.

First Day Guided Hike, Tuesday, 1/1/27

Meeting point: Details will be announced in December 2026.
Meeting time: Details will be announced in December 2026.

Join us for a guided hike in Castle Rock or Portola Redwoods park, led by an experienced guide who will point out local plants, wildlife, and key features along the trail. The hike is suitable for a range of skill levels and offers a relaxed way to explore the parks while learning more about their diverse features. Bring comfortable shoes, a jacket, water, and curiosity for an enjoyable and educational time on the trail.

Become a Member

Our members play a crucial role in supporting our work to make Castle Rock and Portola Redwoods parks safer, more accessible, and improve their educational resources. Together, we can ensure that the natural beauty, rich biological diversity, and recreational and educational opportunities of these state parks are available for all to enjoy now and for generations to come.

Become a Member

Donate

Your contributions make all the difference! We work closely with Portola and Castle Rock Park staff to determine needs and opportunities; as an all-volunteer organization, 100% of our funding goes directly to projects and improvements in these two parks.

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