The Gehn is a small ridge of hills between Bramsche and Ueffeln in Germany's Central Uplands, that are an extension of the Wiehen Hills (German: Wiehengebirge). The ridge runs from northwest to southeast and is about 5 kilometres (3.1 mi) long and an average of 2 kilometres (1.2 mi) wide. The highest point is the Kettelberg which is 108 m above sea level high. The Gehn forms a link between the Wiehen Hills and the Ankum Heights (Ankumer Höhe). It is largely forested and is not - like the Ankum Heights- part of a series of ice age terminal moraines from the latest event of the Saalian glaciation, the so-called Drenthe I stage, but is a ridge of Jurassic rock that was pushed up during the folding towards the end of the Cretaceous period.
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