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 December 2017
Every Tuesday Morning - 9am to 12pm - WCOSF Tuesday Group meets to complete various activities in the Open Spaces
Saturday May 6 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge
Saturday May 6 - 9am to 12pm - Wildflower walk in Shell Ridge
Monday May 8 - 9am to 12pm - Monthly Nursery Group at the Native Plant Nursery
Saturday May 20 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge