Ocean clean up Events and Things to do in Castro Valley, CA
National River Cleanup Day 2026 - Site #48: Guadalupe River, Santa Clara
Today at 9:00 AM
San Jose · Alviso Education Center
National River Cleanup Day 2026 - Site #48: Guadalupe River, Santa Clara
Today at 9:00 AM
San Jose · Alviso Education Center
National River Cleanup Day 2026 - Site 24: El Camino Storm Drain, Sunnyvale
Today at 9:00 AM
Sunnyvale · El Camino Storm Drain near Willow Ave
National River Cleanup Day 2026 - Site 24: El Camino Storm Drain, Sunnyvale
Today at 9:00 AM
Sunnyvale · El Camino Storm Drain near Willow Ave
Stillwater Resin Workshop: Mini Ocean Wave Board
Sat, Jun 6, 10:00 AM + 65 more
Santa Clara · Jiaren Cafe
Stillwater Resin Workshop: Mini Ocean Wave Board
Sat, Jun 6, 10:00 AM + 65 more
Santa Clara · Jiaren Cafe
National River Cleanup Day 2026 - Site #05: Penitencia Creek, San Jose
Today at 9:00 AM
San Jose · Robert Gross Recharge Ponds
National River Cleanup Day 2026 - Site #05: Penitencia Creek, San Jose
Today at 9:00 AM
San Jose · Robert Gross Recharge Ponds
National River Cleanup Day 2026 - Site #12: Guadalupe River, Santa Clara
Today at 9:00 AM
Santa Clara · 4321 Lick Mill Blvd
National River Cleanup Day 2026 - Site #12: Guadalupe River, Santa Clara
Today at 9:00 AM
Santa Clara · 4321 Lick Mill Blvd
Fillmore Community Market| May 23rd, 2026
Sat, May 23, 12:00 PM
San Francisco · African American Art & Culture Complex
Fillmore Community Market| May 23rd, 2026
Sat, May 23, 12:00 PM
San Francisco · African American Art & Culture Complex
National River Cleanup Day 2026 - Site #07: Penitencia Creek, San Jose
Today at 9:00 AM
San Jose · 3128 Penitencia Creek Rd
National River Cleanup Day 2026 - Site #07: Penitencia Creek, San Jose
Today at 9:00 AM
San Jose · 3128 Penitencia Creek Rd
FROM WATER TO PLATE: The Hard Truth About Sustainable Seafood
Thu, May 28, 7:00 PM
Alameda · Faction Brewing
FROM WATER TO PLATE: The Hard Truth About Sustainable Seafood
Thu, May 28, 7:00 PM
Alameda · Faction Brewing
National River Cleanup Day 2026 - Site #01: Calabazas Creek, Sunnyvale
Today at 9:00 AM
Santa Clara · Wildwood Avenue
National River Cleanup Day 2026 - Site #01: Calabazas Creek, Sunnyvale
Today at 9:00 AM
Santa Clara · Wildwood Avenue
LIFT UP LIVES: Volunteer to Serve Our Neighbors in Need
Today at 8:00 AM + 16 more
San Jose · Guadalupe River Park
LIFT UP LIVES: Volunteer to Serve Our Neighbors in Need
Today at 8:00 AM + 16 more
San Jose · Guadalupe River Park
National River Cleanup Day 2026 - Site #17: Matadero Creek, Palo Alto
Today at 9:00 AM
Palo Alto · 2837 E Bayshore Rd
National River Cleanup Day 2026 - Site #17: Matadero Creek, Palo Alto
Today at 9:00 AM
Palo Alto · 2837 E Bayshore Rd
National River Cleanup Day 2026 - Site 6: Singleton Rd, San Jose
Today at 9:00 AM
San Jose · 3408 Tuers Rd
National River Cleanup Day 2026 - Site 6: Singleton Rd, San Jose
Today at 9:00 AM
San Jose · 3408 Tuers Rd
National River Cleanup Day 2026 - Site #26: Deer Creek, Los Altos Hills
Today at 9:00 AM
Los Altos Hills · 27500 Purissima Rd
National River Cleanup Day 2026 - Site #26: Deer Creek, Los Altos Hills
Today at 9:00 AM
Los Altos Hills · 27500 Purissima Rd
National River Cleanup Day 2026 - Site #20: Lower Silver Creek, San Jose
Today at 9:00 AM
San Jose · 646 S Jackson Ave
National River Cleanup Day 2026 - Site #20: Lower Silver Creek, San Jose
Today at 9:00 AM
San Jose · 646 S Jackson Ave
Oyster Shell Move & Nature Walk at Heron's Head Park
Sat, Jun 20, 10:00 AM
San Francisco · 480 Amador St
Oyster Shell Move & Nature Walk at Heron's Head Park
Sat, Jun 20, 10:00 AM
San Francisco · 480 Amador St
