Home › Venues › Echelon Open Air & Indoor Festival Echelon Open Air & Indoor Festival Tickets Buy tickets for concerts at Echelon Open Air & Indoor Festival in Bad Aibling, Germany. No Upcoming Events No upcoming events scheduled at Echelon Open Air & Indoor Festival. Please contact us with any corrections. Hotels & Lodging Near Echelon Open Air & Indoor Festival About the Venue Echelon Open Air & Indoor Festival At-a-Glance AddressEhemalige US KaserneBad Aibling 83043Germany Map & Directions Advertisement