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...
Check out our new Fossil Hill Restoration Photo Album!
Join Our Meetup Group!
2016 Spring/Summer Newsletter Now Available
Updated Weekend Schedule Announced through June 2017
Every Tuesday Morning - 9am to 12pm - WCOSF Tuesday Group meets to complete various activities in the Open Spaces
Saturday December 31 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge
Monday January 9 - 9am to 12pm - Monthly Nursery Group at the Native Plant Nursery
Saturday January 14 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge