National river cleanup day 2025 events in Cupertino, CA
California Coastal Cleanup Day Bernal Creek (Pleasanton)
Sat, Sep 20, 9:00 AM
Radum · bernal community park
California Coastal Cleanup Day Bernal Creek (Pleasanton)
Sat, Sep 20, 9:00 AM
Radum · bernal community park
Coastal Cleanup Volunteer Day at the EEC
Sun, Sep 21, 9:00 AM
Alviso · Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center
Coastal Cleanup Volunteer Day at the EEC
Sun, Sep 21, 9:00 AM
Alviso · Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center
California Coastal Cleanup Day at Arroyo del Valle (Main St in Pleasanton)
Sat, Sep 20, 9:00 AM
Radum · Main Street
California Coastal Cleanup Day at Arroyo del Valle (Main St in Pleasanton)
Sat, Sep 20, 9:00 AM
Radum · Main Street
California Coastal Cleanup Day at Tassajara Creek (Emerald Glen Park)
Sat, Sep 20, 9:00 AM
Dougherty · Emerald Glen Park
California Coastal Cleanup Day at Tassajara Creek (Emerald Glen Park)
Sat, Sep 20, 9:00 AM
Dougherty · Emerald Glen Park
California Coastal Cleanup Day at Robertson Park (Concannon to Arroyo Rd)
Sat, Sep 20, 9:00 AM
Trevarno · Robertson Park
California Coastal Cleanup Day at Robertson Park (Concannon to Arroyo Rd)
Sat, Sep 20, 9:00 AM
Trevarno · Robertson Park
Accessibility Day 2025
Thu, Sep 18, 11:00 AM
Fruitdale · Santa Clara Valley Medical Center, Renova Park
Accessibility Day 2025
Thu, Sep 18, 11:00 AM
Fruitdale · Santa Clara Valley Medical Center, Renova Park
California Coastal Cleanup Day at Alamo Creek (Alamo Creek Park)
Sat, Sep 20, 9:00 AM
Dougherty · Alamo Creek Park
California Coastal Cleanup Day at Alamo Creek (Alamo Creek Park)
Sat, Sep 20, 9:00 AM
Dougherty · Alamo Creek Park
California Coastal Cleanup Day at Altamont Creek (Bluebell to Springtown)
Sat, Sep 20, 9:00 AM
Livermore · Altamont Creek (Springtown blvd to Blluebell Dr)
California Coastal Cleanup Day at Altamont Creek (Bluebell to Springtown)
Sat, Sep 20, 9:00 AM
Livermore · Altamont Creek (Springtown blvd to Blluebell Dr)
Stewardship Sunday at the Wildlife Refuge
Sun, Sep 14, 9:00 AM
Jarvis Landing · San Francisco Bay National Wildlife Refuge Visitor Center
Stewardship Sunday at the Wildlife Refuge
Sun, Sep 14, 9:00 AM
Jarvis Landing · San Francisco Bay National Wildlife Refuge Visitor Center
Keep Hayward Clean & Green 8/23 Neighborhood Cleanup
Saturday at 8:00 AM
Harder/Tennyson · Weekes Park
Keep Hayward Clean & Green 8/23 Neighborhood Cleanup
Saturday at 8:00 AM
Harder/Tennyson · Weekes Park
California Coastal Cleanup Day @Arroyo Las Positas (Northfront to Vasco Rd)
Sat, Sep 20, 9:00 AM
Ulmar · Arroyo Las Positas (Northfront to Vasco Rd)
California Coastal Cleanup Day @Arroyo Las Positas (Northfront to Vasco Rd)
Sat, Sep 20, 9:00 AM
Ulmar · Arroyo Las Positas (Northfront to Vasco Rd)
Keep Hayward Clean & Green 10/18/25 Neighborhood Cleanup
Sat, Oct 18, 8:00 AM
Southgate · Southgate Park
Keep Hayward Clean & Green 10/18/25 Neighborhood Cleanup
Sat, Oct 18, 8:00 AM
Southgate · Southgate Park
Coastal Cleanup Day Shimada Friendship Park
Sat, Sep 20, 9:00 AM
Marina Bay · Shimada Friendship Park
Coastal Cleanup Day Shimada Friendship Park
Sat, Sep 20, 9:00 AM
Marina Bay · Shimada Friendship Park
California Biodiversity Day BioBlitz
Sun, Sep 7, 10:30 AM
Alviso · Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center
California Biodiversity Day BioBlitz
Sun, Sep 7, 10:30 AM
Alviso · Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center
