October 24, 2026, 5:30-9 p.m.
Downtown San Dimas
Bonita Ave.
San Dimas, CA
Free most activities, sandimasca.gov
With a new location in Downtown San Dimas, the annual Trunk or Treat (trick or treating from car to car,) is perfectly positioned to be a major hit this Halloween season. Food Trucks sell goodies ranging from entrees to snacks and beverages.
Costume Contest
Carnival Games
Food Trucks & Food Vendors
Trunk or Treat
September 26, 2026, 7:30-10 a.m. approx. time
5K, 1 Mile and Toddler Trot
San Dimas High School
763 Cypress
San Dimas, CA
$7-20, sandimasca.gov
This is a celebration of the Halloween Spooktacular which has a morning run, and evening Trunk or Treat at a different location.
Events are not guaranteed. It is your responsibility to confirm before going.