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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 Summer/Fall Newsletter Now Available

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

UPDATE NOTICE: Lime Ridge Open Space is officially opened as of Thursday July 12. Please stay on trails for the health of the Open Space. The burnt surface soil is very fragile and can get compacted very easily which will not allow the area to reseed. Thank you for your compliance.

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

Monday October 8 - 9am to 12pm - Monthly Nursery Group at the Native Plant Nursery

Saturday October 20 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

Saturday November 3 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

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

Saturday November 17 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge