Événements et activités cleanup à Half Moon Bay, CA
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 #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
National River Cleanup Day 2026 - Site #12: Guadalupe River, Santa Clara
Sat, May 16, 9:00 AM
Santa Clara · 4321 Lick Mill Blvd
National River Cleanup Day 2026 - Site #12: Guadalupe River, Santa Clara
Sat, May 16, 9:00 AM
Santa Clara · 4321 Lick Mill Blvd
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 at the EEC
Sat, May 16, 9:00 AM
San Jose · Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center
National River Cleanup Day at the EEC
Sat, May 16, 9:00 AM
San Jose · Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center
Detroit Steps Maintenance Day
Sun, May 31, 10:00 AM + 7 en plus
San Francisco · Detroit Street & Hearst Avenue
Detroit Steps Maintenance Day
Sun, May 31, 10:00 AM + 7 en plus
San Francisco · Detroit Street & Hearst Avenue
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 #09: Gill Memorial Park, Milpitas
Sat, May 16, 10:00 AM
Milpitas · Peter Gill Memorial Park
National River Cleanup Day 2026 - Site #09: Gill Memorial Park, Milpitas
Sat, May 16, 10:00 AM
Milpitas · Peter Gill Memorial 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
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 #05: Penitencia Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · Robert Gross Recharge Ponds
National River Cleanup Day 2026 - Site #05: Penitencia Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · Robert Gross Recharge Ponds
National River Cleanup Day 2026 - Site #21: Guadalupe Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · Guadalupe Creek Trail at Meridian Ave
National River Cleanup Day 2026 - Site #21: Guadalupe Creek, San Jose
Sat, May 16, 9:00 AM
San Jose · Guadalupe Creek Trail at Meridian Ave
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
TEAM 222 Cleanup on Guadalupe River Park at Skyport Drive
Sat, May 9, 9:00 AM
San Jose · Parking Available
TEAM 222 Cleanup on Guadalupe River Park at Skyport Drive
Sat, May 9, 9:00 AM
San Jose · Parking Available
