Événements et activités ocean clean up à Castro Valley, CA
National River Cleanup Day 2026 - Site #09: Gill Memorial Park, Milpitas
Saturday at 10:00 AM
Milpitas · Peter Gill Memorial Park
National River Cleanup Day 2026 - Site #09: Gill Memorial Park, Milpitas
Saturday at 10:00 AM
Milpitas · Peter Gill Memorial Park
Mid-Week Cleanup Event On Guadalupe River at West Virginia Street
Wednesday at 9:00 AM
San Jose · Street Parking
Mid-Week Cleanup Event On Guadalupe River at West Virginia Street
Wednesday at 9:00 AM
San Jose · Street Parking
Midweek Cleanup on Guadalupe River at Airport Boulevard
Wed, May 20, 9:00 AM
San Jose · Parking Available
Midweek Cleanup on Guadalupe River at Airport Boulevard
Wed, May 20, 9:00 AM
San Jose · Parking Available
Edenvale Park Monthly Clean Up
Wed, Jun 3, 3:00 PM + 6 en plus
San Jose · Hayes Mansion San Jose, Curio Collection by Hilton
Edenvale Park Monthly Clean Up
Wed, Jun 3, 3:00 PM + 6 en plus
San Jose · Hayes Mansion San Jose, Curio Collection by Hilton
Saturday Cleanup on Guadalupe River With D6 and Councilperson Mulchahy
Sat, May 30, 9:00 AM
San Jose · Parking Available
Saturday Cleanup on Guadalupe River With D6 and Councilperson Mulchahy
Sat, May 30, 9:00 AM
San Jose · Parking Available
Mid-Week Cleanup Event on Guadalupe River at 5155 Cherry Avenue
Wed, May 27, 9:00 AM
San Jose · Parking Available
Mid-Week Cleanup Event on Guadalupe River at 5155 Cherry Avenue
Wed, May 27, 9:00 AM
San Jose · Parking Available
National River Cleanup Day - Site #41: Sunnyvale East Channel, Sunnyvale
Saturday at 9:00 AM
Sunnyvale · Fair Oaks Dog Park
National River Cleanup Day - Site #41: Sunnyvale East Channel, Sunnyvale
Saturday at 9:00 AM
Sunnyvale · Fair Oaks Dog Park
National River Cleanup Day at the EEC
Saturday at 9:00 AM
San Jose · Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center
National River Cleanup Day at the EEC
Saturday at 9:00 AM
San Jose · Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center
Tour of San Francisco's Southeast Wastewater Treatment Plant
Fri, Aug 14, 10:00 AM + 4 en plus
San Francisco · 750 Phelps St
Tour of San Francisco's Southeast Wastewater Treatment Plant
Fri, Aug 14, 10:00 AM + 4 en plus
San Francisco · 750 Phelps St
Stewardship Saturday: Discover the Bay’s Oysters and Marine Life
Sat, May 23, 10:00 AM
San Francisco · Heron's Head Park Wetland
Stewardship Saturday: Discover the Bay’s Oysters and Marine Life
Sat, May 23, 10:00 AM
San Francisco · Heron's Head Park Wetland
Frank Ocean - Channel ORANGE : LISTEN | Envelop SF (7:30pm)
Tue, Jun 9, 7:30 PM
San Francisco · Envelop SF
Frank Ocean - Channel ORANGE : LISTEN | Envelop SF (7:30pm)
Tue, Jun 9, 7:30 PM
San Francisco · Envelop SF
Stewardship Sunday: Experiencing Fish Kitchen
Sun, May 17, 11:30 AM
Sausalito · The Marine Mammal Center
Stewardship Sunday: Experiencing Fish Kitchen
Sun, May 17, 11:30 AM
Sausalito · The Marine Mammal Center
National River Cleanup Day 2026 - Site #25: Alviso Slough, San Jose
Saturday at 9:00 AM
San Jose · 4911 Spreckles Ave
National River Cleanup Day 2026 - Site #25: Alviso Slough, San Jose
Saturday at 9:00 AM
San Jose · 4911 Spreckles Ave
