Volunteer Events and Things to do in Campbell, CA
National River Cleanup Day 2026 - Site #25: Alviso Slough, San Jose
Sat, May 16, 9:00 AM
San Jose · 4911 Spreckles Ave
National River Cleanup Day 2026 - Site #25: Alviso Slough, San Jose
Sat, May 16, 9:00 AM
San Jose · 4911 Spreckles Ave
Queerlantis 2026 presented by Santa Cruz Pride
Sat, Jun 6, 4:00 PM
Santa Cruz · Veterans Memorial Building
Queerlantis 2026 presented by Santa Cruz Pride
Sat, Jun 6, 4:00 PM
Santa Cruz · Veterans Memorial Building
Volunteer Management Essentials: 1 Day Session in San Francisco, CA
Thursday at 9:00 AM
San Francisco · regus CA, San Francisco - Mid-Market
Volunteer Management Essentials: 1 Day Session in San Francisco, CA
Thursday at 9:00 AM
San Francisco · regus CA, San Francisco - Mid-Market
National River Cleanup Day 2026 - Site #26: Deer Creek, Los Altos Hills
Sat, May 16, 9:00 AM
Los Altos Hills · 27500 Purissima Rd
National River Cleanup Day 2026 - Site #26: Deer Creek, Los Altos Hills
Sat, May 16, 9:00 AM
Los Altos Hills · 27500 Purissima Rd
JRMF Math Festival Sports Basement Sunnyvale
Sat, May 16, 1:30 PM
Sunnyvale · Sports Basement Sunnyvale
JRMF Math Festival Sports Basement Sunnyvale
Sat, May 16, 1:30 PM
Sunnyvale · Sports Basement Sunnyvale
San Jose Race to Restore
Sat, May 23, 10:00 AM
San Jose · Flickinger Park, Flickinger Ave. & Tourney Dr.
San Jose Race to Restore
Sat, May 23, 10:00 AM
San Jose · Flickinger Park, Flickinger Ave. & Tourney Dr.
National River Cleanup Day 2026 - Site #45: Penitencia Creek, Milpitas
Sat, May 16, 9:00 AM
Milpitas · Creek entrance at the end of Lundy Rd, Milpitas
National River Cleanup Day 2026 - Site #45: Penitencia Creek, Milpitas
Sat, May 16, 9:00 AM
Milpitas · Creek entrance at the end of Lundy Rd, Milpitas
National River Cleanup Day 2026 - Site #28: Quimby Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · Near 3181 Mt Oso Dr
National River Cleanup Day 2026 - Site #28: Quimby Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · Near 3181 Mt Oso Dr
National River Cleanup Day 2026 - Site 24: El Camino Storm Drain, Sunnyvale
Sat, May 16, 9:00 AM
Sunnyvale · El Camino Storm Drain near Willow Ave
National River Cleanup Day 2026 - Site 24: El Camino Storm Drain, Sunnyvale
Sat, May 16, 9:00 AM
Sunnyvale · El Camino Storm Drain near Willow Ave
National River Cleanup Day 2026 - Site #48: Guadalupe River, Santa Clara
Sat, May 16, 9:00 AM
San Jose · Alviso Education Center
National River Cleanup Day 2026 - Site #48: Guadalupe River, Santa Clara
Sat, May 16, 9:00 AM
San Jose · Alviso Education Center
Volunteer to Propagate Locally Native Plants
Tomorrow at 10:00 AM
San Jose · Roberto Adobe & Sunol House
Volunteer to Propagate Locally Native Plants
Tomorrow at 10:00 AM
San Jose · Roberto Adobe & Sunol House
Veggielution Farm Volunteering - Saturday Field Work
Sat, May 16, 9:00 AM + 2 more
San Jose · 647 S King Rd
Veggielution Farm Volunteering - Saturday Field Work
Sat, May 16, 9:00 AM + 2 more
San Jose · 647 S King Rd
National River Cleanup Day 2026 - Site #06: Coyote Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · 874 Coyote Creek Trail
National River Cleanup Day 2026 - Site #06: Coyote Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · 874 Coyote Creek Trail
National River Cleanup Day 2026 - Site #08: Saratoga Creek, Santa Clara
Sat, May 16, 9:00 AM
Santa Clara · Everett N. "Eddie" Souza Park
National River Cleanup Day 2026 - Site #08: Saratoga Creek, Santa Clara
Sat, May 16, 9:00 AM
Santa Clara · Everett N. "Eddie" Souza Park
National River Cleanup Day 2026 - Site #07: Penitencia Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · 3128 Penitencia Creek Rd
National River Cleanup Day 2026 - Site #07: Penitencia Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · 3128 Penitencia Creek Rd
National River Cleanup Day - Site #41: Sunnyvale East Channel, Sunnyvale
Sat, May 16, 9:00 AM
Sunnyvale · Fair Oaks Dog Park
National River Cleanup Day - Site #41: Sunnyvale East Channel, Sunnyvale
Sat, May 16, 9:00 AM
Sunnyvale · Fair Oaks Dog Park
National River Cleanup Day 2026 - Site #16: Adobe Creek, Palo Alto
Sat, May 16, 9:00 AM
Palo Alto · 3803 E Bayshore Rd
National River Cleanup Day 2026 - Site #16: Adobe Creek, Palo Alto
Sat, May 16, 9:00 AM
Palo Alto · 3803 E Bayshore Rd
Volunteer Management Fundamentals: 1 Day Session in San Francisco, CA
Thursday at 9:00 AM
San Francisco · Regus - San Francisco - Mid-Market
Volunteer Management Fundamentals: 1 Day Session in San Francisco, CA
Thursday at 9:00 AM
San Francisco · Regus - San Francisco - Mid-Market
