Calendar

TM Volunteer support request for trail tread work in Rancho Cañada del Oro Open Space Preserve. Meet in the main staging area parking zone at 9am and take specific instruction from staff for the day.Hand tools will be in use, only high wind and rain...

Trail Master support request to help with seasonal maintenance of North Coyote Valley near the innersection of Santa Teresa Blvd and Bailey Avenue.We will be weedeating, brushing back tree growth along the sidewalks, and collecting trash along the ...

Trail Master support request to help with seasonal maintenance of North Coyote Valley near the innersection of Santa Teresa Blvd and Bailey Avenue.We will be weedeating, brushing back tree growth along the sidewalks, and collecting trash along the ...

This is our introductory training for new volunteers. Our winter 2026 edition of Interpretive Host Training features two parts. The January 10 session will cover agency mission and vision, roles and duties and using interpretive techniques for p...

We're seeking 5 volunteers to help with Starry Nights each month in 2026! ⭐The BasicsVolunteer shift date & time: Varies - specific times shown in YELLOW belowProgram Time: Varies - shown below in whiteNote: the program run time is NOT the vol...

Interpretive Docent Training Starting Wednesday January 14, 2026.Interpretive Docent Training with Santa Clara Valley Open Space Authority will provide you with tools, techniques, and content to feel confident in leading programs for our agency. We ...

TM Volunteer request for up to four Trail Master volunteers to help with this day of field work. We will spend time in the restoration site located here, continuing efforts from previous years at this Cal Trans Restoration site. For first time visit...

TM Volunteer request for up to eight Trail Master volunteers to help with this day of field work. We will spend time in the restoration site located here, continuing efforts from previous years at this Cal Trans Restoration site. For first time visi...

We are seeking 2 preserve stewards to support our Owl Prowl Program at Alum Rock Park as hike sweeps!Sweeps would be tasked with helping the group stay together on the trail and assisting with other needed hike support.Quick DetailsDate: Saturday, ...

We are seeking 3 docents to support our Owl Prowl Program at Alum Rock Park!Ideally, we are seeking docents who are versed in owls and/or nighttime wildlife who are able to support.Quick DetailsDate: Saturday, January 17, 2026Shift Time: 4:00 PM - ...

TM Volunteer support request for up to four TM Volunteers on this day of tread work in the 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 l...

Interpretive Docent Training Starting Wednesday January 14, 2026.Interpretive Docent Training with Santa Clara Valley Open Space Authority will provide you with tools, techniques, and content to feel confident in leading programs for our agency. We ...

TM Volunteer support request for up to four TM Volunteers on this day of tread work in the 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 l...

TM Volunteer support request for up to four TM Volunteer Trainees on this day of tread work in the 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 da...

Interpretive Docent Training Starting Wednesday January 14, 2026.Interpretive Docent Training with Santa Clara Valley Open Space Authority will provide you with tools, techniques, and content to feel confident in leading programs for our agency. We ...

Interpretive Docent Training Starting Wednesday January 14, 2026.Interpretive Docent Training with Santa Clara Valley Open Space Authority will provide you with tools, techniques, and content to feel confident in leading programs for our agency. We ...

TM Volunteer support request for up to four TM Volunteers on this day of tread work in the 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 l...

Trail Master support request for up to 8 Trail Master Volunteers this day of walking trail creation at the Tilton Ranch Complex. Volunteers will meet staff at Tilton Ranch at 9am and take on the tasks outlined on site. Power tools and hand tools are ...

Join us to re-seed native grasslands at the staging area of Máyyan 'Ooyákma! We will be continuing our work to restore native grasses and wildflowers in the staging area to reduce the spread of invasive species to ecologically sensitive areas of t...

Interpretive Docent Training Starting Wednesday January 14, 2026.Interpretive Docent Training with Santa Clara Valley Open Space Authority will provide you with tools, techniques, and content to feel confident in leading programs for our agency. We ...