Upcoming Events

Join the Open Space Authority to care for native plantings along a seasonal creek at Diablo Foothills Preserve, just east of Gilroy. We will be removing invasive plants and tall vegetation from around established riparian trees and shrubs. No experience required!

Join the Open Space Authority and the San Jose Astronomical Association (SJAA) for a star party at Rancho Cañada del Oro Open Space Preserve! Docent astronomers will set up their telescopes to help you get the most knowledge and enjoyment out of the dark starry night sky.

Do you have a pair of binoculars? Want to bask in the beauty of the night sky? Join the Open Space Authority and the San Jose Astronomical Association for a family-friendly evening under the stars.

Whether you lost someone yesterday or years ago, sometimes the best thing to do is just be with people who understand. Come take a gentle walk with us and begin to heal in nature at this beautiful preserve.

Join the Open Space Authority for an engaging evening hike to explore a Coyote Valley property not yet open to the public. The walk will be a gentle 0.5-mile climb up a lovely spiral trail, ending in a beautiful 360 view of Coyote Valley.

Join our amazing volunteer team and learn about our mission, resources, and engagement techniques for getting people excited about open space!

The Open Space Authority is proud to sponsor Silicon Valley Youth Climate Action's Annual Youth Leadership Summit! High school and college students, young professionals, community stakeholders, educators, elected officials and industry leaders are invited to a day of learning, networking and discussion around innovative climate solutions and strategies.