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  • 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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Foundation seeking new Volunteer Coordinator

2014 Fall Newsletter Now Available!

Updated Weekend Schedule Announced through April 2015

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

Saturday January 31 - 9am to 12pm - Sutherland Entrance Restoration in Shell Ridge

Sunday February 1 - 9am to 12pm - Grass Planting at Bayberry Pond in Lime Ridge

Saturday February 7 - 9am to 12pm - Indian Valley Pond in Shell Ridge

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

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