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The Wartberg culture (German: Wartbergkultur), sometimes: Wartberg group (Wartberggruppe) or Collared bottle culture (Kragenflaschenkultur) is a prehistoric culture from 3,600 -2,800 BC of the later Central European Neolithic. It is named after its type site, the Wartberg, a hill (306m asl) near Niedenstein-Kirchberg in northern Hesse, Germany.