United States of America
Sierra Vista Open Space Preserve is a 1,678-acre nature preserve in the eastern foothills of Santa Clara County, California. The preserve is managed by the Santa Clara Valley Open Space Authority and was opened to public in 2002. The only access to the preserve had been from Alum Rock Park until 201
4, when a new parking lot and trailhead opened along Sierra Road.
Listen to the audio guide for Sierra Vista Open Space Preserve Free on WIP — starts by itself when you arrive, even with the screen off