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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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WCOSF Launches Student Grant Award Program - 2014 Applications due Dec 31st!

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

Saturday December 27 - 9am to 12pm - Bayberry Pond Grass Planting in Lime Ridge

Monday December 29 - 10am to 1pm - Deer Lake Grass Planting in Shell Ridge

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