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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!

2019 Fall/Winter Newsletter Now Available

New Open Space Guide Available - Fond Memories

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

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

Saturday December 14 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

Saturday December 28 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge