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WELCOME!

  • Shell Ridge Open Space

  • Acorn Woodpecker in Shell Ridge

  • Open Space Bluebird family

  • The elusive bobcat!

  • Volunteers have all the fun!

  • Open Space bush rabbit

  • Mount Diablo Sunflower in Lime Ridge

  • California Poppies in the Spring

  • 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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Join Our Meetup Group!

2018 Spring Newsletter Now Available

New Open Space Guide Available - Out of Sight: Clues Animals Leave

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

Saturday June 2 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

Monday June 11 - 9am to 12pm - Monthly Nursery Group at the Native Plant Nursery

Saturday June 16 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

Saturday June 30 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge