Columbia, CA…Help restore habitat by removing invasive Himalayan blackberry! Volunteers will work alongside California State Parks staff to dig blackberry plants out by the roots to help native vegetation thrive and improve the health of the surrounding ecosystem. Ages 18 and older are welcome (all minors must be accompanied by an adult and have waivers signed by a parent or guardian).

Please register online to reserve your spot and receive important workday details at calparks.org/volunteer.
Saturdays, October 17, 2026
9:00 AM – 12:00 PM

Learn more: calparks.org/volunteer
California State Parks Foundation