Rancho Canada del Oro
Enjoy almost nine miles of trails and a quiet rural landscape in the Santa Cruz Mountain foothills.
Trail Map
Boccardo Corridor
Climb up to great views on a three-mile loop trail above San Jose’s Alum Rock Park.
Trail Map




"If we consider open space land as an asset and its benefits as a return on investment to communities, we will never think about nature in quite the same way, ever again."
- Andrea Mackenzie, General Manager

Introducing Nature's Value in Santa Clara County, the first-ever valuation of the economic benefits people receive from Santa Clara County's open space, natural areas, water resources and working landscapes.

Click here to learn about Santa Clara County's natural capital.

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Introducing the Santa Clara Valley Greenprint

The Open Space Authority’s Board of Directors unanimously approved the Santa Clara Valley Greenprint, a detailed land and resource conservation vision that will guide the Authority’s work over the next 30 years.


Open Space Authority in the News

"Report says county's open spaces are worth up to $386 billion" published in the San Jose Mercury News, July 2, 2014 edition.



You're Invited!

Join us for the exciting grand opening at Sierra Vista Open Space Preserve in August and the mouth-watering Coyote Valley Harvest Feast in September. Both feature family-friendly games and activities. Free to everyone!

Details and Registration


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Santa Clara Valley Habitat Plan

Posted: May 13, 2014

The U.S. Army Corps of Engineers San Francisco District (SF District) posts public notices on its website to announce proposed agency actions, decisions made or under consideration, public hearings, or other activities. The SF District posted the public notice for the Santa Clara Valley Habitat Plan (Habitat Plan) Regional General Permit (RGP) on Monday, May 5, 2014. The 30-day public notice is eight pages and has two tables and one figure. The public comment period closes on 6/5/2014. A public hearing/
meeting is not currently planned.

Click Here to read the Public Notice.
Click Here to view the Figures and Tables.


Regular Board Meeting Schedule
Thursday, July 24, 2014
Agendas & Minutes

Citizen's Advisory Committee (CAC) Meetings
Monday, July 28, 2014 @ 7:00 p.m.

Board Committee Meetings

Administration & Budget Committee
Next Meeting: Thursday, August 14, 2014 @ 5:30 p.m.

Use & Management Committee
Thursday, July 24, 2014 - CANCELED
Meets quarterly in Jan, Apr, Jul, Oct
Next Meeting: Thursday, October 23, 2014 @ 5:30 p.m.


All meetings are held at the OSA Admin Office – 6980 Santa Teresa Blvd., Ste 100, San Jose, CA unless otherwise stated. Map to Office

Subscribe to the Board Agenda Mailing List and you will receive notification for all meetings of the Board, their Committees and meetings of the Citizens' Advisory Committee.

*Unless otherwise stated, Closed Session begins at 6:30, Open Session begins immediately afterward.

Mission Statement