Slow Mass Tickets & Tour Dates

This is an outdoor event. This event will be held at the Observatory Festival Grounds in the Observatory Parking Lot - 3503 S HARBOR BLVD October 3rd, 2026 Doors: 2:00pm Show: 3:00pm October 4th, 2026...

***This is an outdoor event.*** Single day tickets for Sunday 10/4 only. For 2 Day Passes or Saturday single day tickets, please visit The Observatory website. This event will be held at the Observato...