Opportunities From: Santa Clara Valley Open Space Authority

Volunteer: Trail Masters, 7/29/26, 7/30/26 & 8/1/26 - IPM and Trail Brushing at Furtado Barn

TM Volunteer support request for the Furtado Barn restoration site at Sierra Vista OSP.

Please arrive no later than 9:00 a.m. and park in the main staging area.  Space for 4 volunteers. Volunteer Trail Masters should bring all PPE. Please bring all needed water and calories for a safe day with the team.

We will be supporting our Integrated Pest Management (IPM) goals and brushing back key areas of the restoration site.

Program: Trail Masters

TM Volunteer support request for the Furtado Barn restoration site at Sierra Vista OSP.

Please arrive no later than 9:00 a.m. and park in the main staging area.  Space for 4 volunteers. Volunteer Trail Masters should bring all PPE. Please bring all needed water and calories for a safe day with the team.

We will be supporting our Integrated Pest Management (IPM) goals and brushing back key areas of the restoration site.

Program: Trail Masters

Opportunity Type: Volunteer

Date: Multiple Shifts Available

Zip Code: 95132

Allow Groups: No


Volunteer: Trail Masters, 7/25/26, Invasive Species support at Kuzia Property

TM Volunteer support request for this day of invasive species maintenance. The crew will be removing coyote brush to make room for other natives to grow as well as removing some non-natives plants at the sites.

The meeting point for the day can be accessed by using these coordinates for navigation, "37.18314, -121.7300"

From Bailey Avenue, heading south on Santa Teresa Boulevard, turn right onto Richmond Rd. Look for David Mauk and his agency vehicle, where we will park our vehicles.

There are 10 native planting areas within a larger enclosure along ¾ miles of Fisher's Creek at the Kuzia property's restoration site, shown above. To maintain the site OSA will weed-eat the inside of the enclosure with staff and volunteers. There are oak and willow seedlings scattered throughout the enclosure in their own plant cages to look out for, but other than that the whole area is in need of attention. 

Program: Trail Masters

TM Volunteer support request for this day of invasive species maintenance. The crew will be removing coyote brush to make room for other natives to grow as well as removing some non-natives plants at the sites.

The meeting point for the day can be accessed by using these coordinates for navigation, "37.18314, -121.7300"

From Bailey Avenue, heading south on Santa Teresa Boulevard, turn right onto Richmond Rd. Look for David Mauk and his agency vehicle, where we will park our vehicles.

There are 10 native planting areas within a larger enclosure along ¾ miles of Fisher's Creek at the Kuzia property's restoration site, shown above. To maintain the site OSA will weed-eat the inside of the enclosure with staff and volunteers. There are oak and willow seedlings scattered throughout the enclosure in their own plant cages to look out for, but other than that the whole area is in need of attention. 

Program: Trail Masters

Opportunity Type: Volunteer

Date: Happens On Jul 25, 2026

Zip Code: 95037

Allow Groups: No


Volunteer: Trail Masters, 7/23/26, North Coyote Valley Beautification

Trail Master support request to help with seasonal maintenance of North Coyote Valley along Santa Teresa Boulevard. 

Attending volunteers should meet staff on the dam at Laguna Seca, located beyond the quail gate, NCO3, off Santa Teresa Blvd. Pack hi-vis vests to wear on this work day.

Program: Trail Masters

Trail Master support request to help with seasonal maintenance of North Coyote Valley along Santa Teresa Boulevard. 

Attending volunteers should meet staff on the dam at Laguna Seca, located beyond the quail gate, NCO3, off Santa Teresa Blvd. Pack hi-vis vests to wear on this work day.

Program: Trail Masters

Opportunity Type: Volunteer

Date: Happens On Jul 23, 2026

Zip Code: 95037

Allow Groups: No


Volunteer: Trail Masters, 6/27/26, North Coyote Valley Beautification

Trail Master support request to help with seasonal maintenance of North Coyote Valley near the innersection of Santa Teresa Blvd and Bailey Avenue.

Attending volunteers should meet staff on the dam at Laguna Seca, located beyond the quail gate, NCO3, off Santa Teresa Blvd. Pack hi-vis vests to wear on this work day.

Program: Trail Masters

Trail Master support request to help with seasonal maintenance of North Coyote Valley near the innersection of Santa Teresa Blvd and Bailey Avenue.

Attending volunteers should meet staff on the dam at Laguna Seca, located beyond the quail gate, NCO3, off Santa Teresa Blvd. Pack hi-vis vests to wear on this work day.

Program: Trail Masters

Opportunity Type: Volunteer

Date: Happens On Jun 27, 2026

Zip Code: 95037

Allow Groups: No


Volunteer: Trail Masters, 7/18/26, IPM and Trail Brushing at Furtado Barn

TM Volunteer support request for the Furtado Barn restoration site at Sierra Vista OSP.

Please arrive no later than 9:00 a.m. and park in the main staging area.  Space for 4 volunteers. Volunteer Trail Masters should bring all PPE. Please bring all needed water and calories for a safe day with the team.

We will be supporting our Integrated Pest Management (IPM) goals and brushing back key areas of the restoration site.

Bonus: Greg will have his guitar handy and serenade volunteers with original trail songs that he wrote when he was a logger in the pacific north west. 


Program: Trail Masters

TM Volunteer support request for the Furtado Barn restoration site at Sierra Vista OSP.

Please arrive no later than 9:00 a.m. and park in the main staging area.  Space for 4 volunteers. Volunteer Trail Masters should bring all PPE. Please bring all needed water and calories for a safe day with the team.

We will be supporting our Integrated Pest Management (IPM) goals and brushing back key areas of the restoration site.

Bonus: Greg will have his guitar handy and serenade volunteers with original trail songs that he wrote when he was a logger in the pacific north west. 


Program: Trail Masters

Opportunity Type: Volunteer

Date: Happens On Jul 18, 2026

Zip Code: 95132

Allow Groups: No


Volunteer: Trail Masters, 7/1/26, Trail work at Upper Penitencia

TM Volunteer support request for up to four TM Volunteers on this day of weed eating and brushing at Upper Penitencia. All volunteers who sign up should meet staff in the Sierra Vista OSP staging area. Due to travel time, this work day begins at 9am and ends at 2pm. Volunteer Trail Masters are asked to bring all needed water and calories for a safe day with the team.

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 lead will provide instruction and support on where our efforts are directed.

Volunteer Trail Masters should bring all PPE.

Please monitor staff emails in advance of the event, excessive heat can cancel events in summer time. 

*Sierra Vista is now officially associated with the address of 4200 Sierra Rd. San Jose, CA 95132. You may use this for navigation and it will lead you to the staging area. 

Program: Trail Masters

TM Volunteer support request for up to four TM Volunteers on this day of weed eating and brushing at Upper Penitencia. All volunteers who sign up should meet staff in the Sierra Vista OSP staging area. Due to travel time, this work day begins at 9am and ends at 2pm. Volunteer Trail Masters are asked to bring all needed water and calories for a safe day with the team.

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 lead will provide instruction and support on where our efforts are directed.

Volunteer Trail Masters should bring all PPE.

Please monitor staff emails in advance of the event, excessive heat can cancel events in summer time. 

*Sierra Vista is now officially associated with the address of 4200 Sierra Rd. San Jose, CA 95132. You may use this for navigation and it will lead you to the staging area. 

Program: Trail Masters

Opportunity Type: Volunteer

Date: Happens On Jul 1, 2026

Zip Code: 95132

Allow Groups: No


Volunteer: Trail Masters, 7/15/26 & 7/16/26, Trail work at Upper Penitencia

TM Volunteer support request for up to four TM Volunteers on this day of brushing and weedeating at Upper Penitencia. All volunteers who sign up should meet staff in the Sierra Vista OSP staging area.

Due to travel time to the work site, this Trail Master day begins at 9am and ends at 2pm. Volunteer Trail Masters are asked to bring all needed water and calories for a safe day with the team.

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 lead will provide instruction and support on where our efforts are directed.

Volunteer Trail Masters should bring all PPE.

Please monitor staff emails in advance of the event, excessive heat can cancel events in summer time. 

*Sierra Vista is now officially associated with the address of 4200 Sierra Rd. San Jose, CA 95132. You may use this for navigation and it will lead you to the staging area. 

Program: Trail Masters

TM Volunteer support request for up to four TM Volunteers on this day of brushing and weedeating at Upper Penitencia. All volunteers who sign up should meet staff in the Sierra Vista OSP staging area.

Due to travel time to the work site, this Trail Master day begins at 9am and ends at 2pm. Volunteer Trail Masters are asked to bring all needed water and calories for a safe day with the team.

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 lead will provide instruction and support on where our efforts are directed.

Volunteer Trail Masters should bring all PPE.

Please monitor staff emails in advance of the event, excessive heat can cancel events in summer time. 

*Sierra Vista is now officially associated with the address of 4200 Sierra Rd. San Jose, CA 95132. You may use this for navigation and it will lead you to the staging area. 

Program: Trail Masters

Opportunity Type: Volunteer

Date: Multiple Shifts Available

Zip Code: 95132

Allow Groups: No


Volunteer: Trail Masters, 7/8/26 & 7/11/26, Diablo Foothills: Riparian zone and Road corridors

TM Volunteer request for up to eight Trail Master volunteers to help with this day of field work. We will using weed whips to address the riparian zone and road corridor area. Trail Master volunteers should pack their provided hi-vis vest for both days.

For first time visitors to this preserve, the drive time is approximately 30 to 40 minutes on rural roads, plan accordingly so you can drive safely and arrive on time. 


9:00 a.m. meetup at 6280 Canada Rd. Gilroy, CA 95020. The main gate is near to the cattle corral and large burnt Eucalyptus trees. Look for the Authority vehicles.

Program: Trail Masters

TM Volunteer request for up to eight Trail Master volunteers to help with this day of field work. We will using weed whips to address the riparian zone and road corridor area. Trail Master volunteers should pack their provided hi-vis vest for both days.

For first time visitors to this preserve, the drive time is approximately 30 to 40 minutes on rural roads, plan accordingly so you can drive safely and arrive on time. 


9:00 a.m. meetup at 6280 Canada Rd. Gilroy, CA 95020. The main gate is near to the cattle corral and large burnt Eucalyptus trees. Look for the Authority vehicles.

Program: Trail Masters

Opportunity Type: Volunteer

Date: Multiple Shifts Available

Zip Code: 95020

Allow Groups: No