The Babilonie is a hillfort of the La Tène culture at a height of 255.6 metres above sea level on the northern edge of a rounded hill in the Wiehen Hills above the Lübbecke village of Obermehnen in the district of Minden-Lübbecke in the German state of North Rhine-Westphalia. The name is derived from the Germanic baben in the lon i.e. "up in the woods". The wedge-shaped, double-rampart system, which descends from south to north with the slope, was investigated archaeologically in the first half of the last century, especially by Friedrich Langewiesche, who assessed it as a refuge castle.