Ipf (mountain)
 The Ipf is a mostly treeless mountain (668 metres) near Bopfingen Ostalbkreis Baden-Württemberg Germany with a prehistoric hill fort on its top.The fort is situated on an isolated hill with a flattened summit surrounded by a stone wall ditch and large counterscarp (outer bank). The overall diameter is about 180 metres. There are also extensive ramparts traversing the slopes to protect a large enclosed area and entranceway.