News and Events

Sierra Vista and Alum Rock Park featured on NBC’s OpenRoad with Doug McConnell

Sierra Vista and Alum Rock Park featured on NBC’s OpenRoad with Doug McConnell

Watch as Doug joins a local Bay Area family as they visit Alum Rock Park and then venture up to Sierra Vista Open Space Preserve for a beautiful view of the valley and a nice picnic.

Download the 2015 Annual Report

Understanding Our Community

Family on Three Creeks Trail

The Authority’s jurisdiction spans the cities of San Jose, Santa Clara, Milpitas, Morgan Hill, Campbell and unincorporated Santa Clara County and encompasses some 1.4 million residents. The newly-released Understanding Our Community report is guiding the Authority to reach and engage diverse community members and help overcome barriers to accessing nature and its many health, recreation and other benefits. Read more.

Volunteer Opportunity

Check out our monthly volunteer opportunities for the summer here.


Let the Energy Flow—Tai Chi in the Park—Healthy Parks Healthy People

Tai Chi in the Park

Saturday, July 2, 9:00 - 10:00 a.m.
Martial Cottle County Park

The Open Space Authority is pleased to present Tai Chi, taught by the Morning Crane Healing Arts Center. Have you ever wanted to try Tai Chi? This is the place to start. Come on out and enjoy the fresh air in the park with some of the best teachers in the Bay Area. The exercise will be gentle and peaceful. Learn more here.


Request for Proposal

Click HERE for more info.



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Read the Current e-Newsletter

Read the Current OSA Outlook—Summer 2016


Trails Rancho Canada Del Oro

Rancho Cañada Del Oro
Quiet rural landscape and almost nine miles of trails in the Santa Cruz Mountain foothills.

Rancho Trail Map


Sierra Vista

Sierra Vista
Sweeping views and ten miles of trails in the Eastern foothills perched atop Alum Rock Park.

Sierra Vista/Boccardo Trail Map


Coyote Valley

Coyote Valley
4 miles of beautiful trail located in the Valley of the Heart’s Delight

Coyote Valley Trail Map


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Public Meetings

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Public Meetings

Board and Committee Meetings and Agendas (you can check them out here)

Citizens Advisory Committee Meetings and Agendas

Measure Q Expenditure Oversight Committee Meetings and Agendas