Calendar

TM Volunteer support request for this day of trail tread work in Sierra Vista OSP. Please arrive no later than 9:00 a.m. and park in the main staging area. TM Volunteers will depart from there with staff for the day. Staff leads will provide instruct...

We are seeking 4 docents to help as bioblitz support at a Spreckels Bioblitz (especially ones versed in plants or animals!)! This program is held in partnership with our partners at Keep Coyote Creek Beautiful & POST. Quick DetailsDate: December 6...

We are seeking 2 preserve stewards to help as OSA welcome table volunteers at an upcoming Spreckels Bioblitz! This program is held in partnership with our partners at Keep Coyote Creek Beautiful & POST. Quick DetailsDate: December 6, 2025Shift Time...

TM Volunteer support request for this day of trail tread work in Sierra Vista OSP. Please arrive no later than 9:00 a.m. and park in the main staging area. TM Volunteers will depart from there with staff for the day. Staff leads will provide instruct...

We are requesting one sweep that can hike at a reasonable pace to help folks get up the hill at Coyote Valley for our first Sunset Moonrise Hike Series! We will ask for 2 preserve stewards to hike ahead of the group with a flashlight to assess any po...

Come represent the Authority at Santa Clara County Park's annual Fantasy of Lights celebration on December 6th and 7th, from 4-9 p.m. Share your love of open space preserves, winter wildlife and upcoming educational activities with visitors at the Au...

Come represent the Authority at Santa Clara County Park's annual Fantasy of Lights celebration on December 6th and 7th, from 4-9 p.m. Share your love of open space preserves, winter wildlife and upcoming educational activities with visitors at the Au...

This TM Volunteer support request is for continued work on the Frankel Trail in Sierra Vista OSP. The Frankel Trail is part of an easeament within Sierra Vista and significant progress has been made in recent work days to bring this trail back to li...

Join us and our partners at Point Blue Conservation Science at Fisher's Bend to help restore a neglected creek to prime wildlife habitat! We recently got a surprise batch of plants that need helping hands to put into the ground at one of our Coyote ...

We're seeking FOUR PRESERVE STEWARDS to help with Starry Nights on 12/13/25! ⭐Note: If you are an ASTRO DOCENT - please DO NOT register here  - please check your email for where to sign up.The BasicsVolunteer shift time: 5:00 PM - 9:00 PMDate: ...

TM Volunteer support request for this day of Trail tread in Sierra Vista OSP. Specific work sites and direction will be offered at the start of the day. Hand tools will be in use. Meet in the main staging area parking zone at 9am and take specific i...