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WELCOME!

  • 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...

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2014 Spring Newsletter Now Available!

CONGRATULATIONS to our Student Volunteer of the Year Recipients!

New Volunteer Coordinator: Karl Snover!

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

Saturday July 26th - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

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

Saturday August 23rd - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

Saturday September 6th - 10am to 3pm - Contra Costa Master Gardeners Sustainability Fair