WELCOME!
The Walnut Creek Open Space Foundation works to preserve and enhance Walnut Creek's 2700 acres of open space and to educate area residents so that they can enjoy this wonderful resource. Learn more...
Local Girl Scout to build bat houses in Shell Ridge - Information coming soon!
WCOSF receives 2 awards from the Action For Beauty Council
New Weekend Volunteer Group Started!
New Open Space on Acalanes Ridge
Every Tuesday Morning - 9am to 12pm - WCOSF Tuesday Group meets to complete various activities in the Open Spaces
May 5, 2013 - Annual Spring Bird Walk in South Lime Ridge
May 18, 2013 - 9am to 12pm - East Bay Sustainability Challenge at Bayberry Pond
June 8, 2013 - Heritage Day at Borges Ranch - Information coming soon!