Événements et activités ocean clean up à Castro Valley, CA
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
National River Cleanup Day 2026 - Site #04: Guadalupe River, San Jose
Sat, May 16, 9:00 AM
San Jose · 1701 Airport Blvd
National River Cleanup Day 2026 - Site #04: Guadalupe River, San Jose
Sat, May 16, 9:00 AM
San Jose · 1701 Airport Blvd
National River Cleanup Day 2026 - Site 6: Singleton Rd, San Jose
Sat, May 16, 9:00 AM
San Jose · 3408 Tuers Rd
National River Cleanup Day 2026 - Site 6: Singleton Rd, San Jose
Sat, May 16, 9:00 AM
San Jose · 3408 Tuers Rd
National River Cleanup Day 2026 - Site #20: Lower Silver Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · 646 S Jackson Ave
National River Cleanup Day 2026 - Site #20: Lower Silver Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · 646 S Jackson Ave
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 #13: Saratoga Creek, Santa Clara
Sat, May 16, 9:00 AM
Santa Clara · Maywood Park
National River Cleanup Day 2026 - Site #13: Saratoga Creek, Santa Clara
Sat, May 16, 9:00 AM
Santa Clara · Maywood Park
Fillmore Community Market| June 27th, 2026
Sat, Jun 27, 12:00 PM
San Francisco · African American Art & Culture Complex
Fillmore Community Market| June 27th, 2026
Sat, Jun 27, 12:00 PM
San Francisco · African American Art & Culture Complex
Keep Hayward Clean & Green 8/22/26 Neighborhood Cleanup
Sat, Aug 22, 8:00 AM
Hayward · Palma Ceia Park
Keep Hayward Clean & Green 8/22/26 Neighborhood Cleanup
Sat, Aug 22, 8:00 AM
Hayward · Palma Ceia 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 #08: Saratoga Creek, Santa Clara
Sat, May 16, 9:00 AM
Santa Clara · Everett N. "Eddie" Souza Park
FIERCE Advocates & Moving Forward: FREE Basketball & Park Clean-Up
Sat, May 16, 10:00 AM + 6 en plus
Richmond · Lucas Park
FIERCE Advocates & Moving Forward: FREE Basketball & Park Clean-Up
Sat, May 16, 10:00 AM + 6 en plus
Richmond · Lucas Park
Stillwater Resin Workshop: Mini Ocean Wave Board
Sat, Jun 6, 10:00 AM + 30 en plus
Santa Clara · Jiaren Cafe
Stillwater Resin Workshop: Mini Ocean Wave Board
Sat, Jun 6, 10:00 AM + 30 en plus
Santa Clara · Jiaren Cafe
