Open Space Background


  • Shell Ridge Open Space

  • California Poppies in the Spring

  • Open Space Bluebird family

  • The elusive bobcat!

  • Volunteers have all the fun!

  • Open Space bush rabbit

  • Mount Diablo Sunflower in Lime Ridge

  • Indian Valley in Shell Ridge

  • Monarch Butterfly

  • Quail in the Open Space

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...

news banner
wildflower walk flyer

Walnut Creek Centennial Presents: Wildflower & Nature Walks! Click here for more information!

2014 Spring Newsletter Now Available!

NEW Nursery Volunteer Group Starting April 18th!

New Volunteer Coordinator: Karl Snover!

events banner
Every Tuesday Morning - 9am to 12pm - WCOSF Tuesday Group meets to complete various activities in the Open Spaces

Sunday April 13th - 9am to 12pm - Centennial Wildflower & Nature Hike in Acalanes Ridge

Saturday April 19th - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

Sunday April 20th - 9am to 12pm - Centennial Wildflower & Nature Hike in Lime Ridge

Saturday April 26th - 9am to 12pm - Indian Valley Pond Restoration in Shell Ridge