Übel & Gefährlich is a Hamburg music club in Flakturm IV on the Heiligengeistfeld. The club is run by Waldenfels Musik & Konzert GmbH from Hamburg. Managing Director is Wolf von Waldenfels, co-founder was Tino Hanekamp.
The club can accommodate about 1000 guests. The club is divided into the large ballroom, the tower room and the terrace on the roof of the bunker. The club’s program ranges from techno to twenties jazz to singer-songwriter concerts. In Übel & Gefährlich artists such as Xavier Rudd, Kettcar and Arctic Circle 18 appeared. The city magazine Prinz describes the club as the flagship of the party, live music and event scene in Hamburg.