Registration is required for events as noted. Drop-ins are welcome at all other events. Rain may cancel. Some hikes are several hours long. Please bring water and snacks and dress for the weather. No pets, please. For more information or directions, call Teri Rogoway at 408-224-7476.


Friday, October 17 | 7:30 to 9:30 p.m.

CANCELLED - The cloud cover promises to be too thick to see anything. Starry nights will run as planned tomorrow, Saturday, October 18, 2014 from 7:00pm - 9:00 pm.

Saturday, October 18 | 7:00 to 9:00 p.m.

Rancho Cañada del Oro Open Space Preserve
Join our friendly docent astronomers, the San Jose Astronomical Association and other stargazers for an evening under the stars. No telescope? No problem! Our docents are happy to share theirs. Families and children are welcome. Directions from Hwy 101: Take the Bailey Ave. exit west, turn left onto McKean Rd., right onto Casa Loma Rd. The parking area is at the end of the paved road on your left.



Staff of the Open Space Authority and volunteers provide the general public with a variety of things to do. Hikes, rides and special events offer a chance to enjoy the Authority’s trails and preserves and learn about the natural world in the company of others.
Dragonfly hike

Our schedule includes such things as guided nature hikes, bike and equestrian rides, photography walks and stargazing sessions. OSA also creates special events for children, including a summer day camp and Halloween celebration. All activities are free and open to everyone.

The Open Space Authority also offers a number of education programs for school and community groups. These programs are booked through the Coordinator of Interpretive Programs, who can be reached at 408-224-7476 or by email.