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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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Join Our Meetup Group!

2015 Fall Newsletter Now Available

Updated Weekend Schedule Announced through end of 2016

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

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

Saturday May 7 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

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

Saturday May 21 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

Saturday June 4 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge