3-424: The Kniebrink , at 315 m above sea level (NN) , is the third highest mountain in the northern German Wiehen Hills . Its immediate summit belongs administratively to the village of Oberbauerschaft in the municipality of Hüllhorst . However, its boundary with the town of Lübbecke runs just north of the summit, so that its northern slopes belong to Lübbecke. The Kniebrink is just 3 metres lower than
6-721: Is an outdated official vertical datum used in Germany. Elevations using this reference system were to be marked Meter über Normal-Null (“meters above standard zero”). Normalnull has been replaced by Normalhöhennull (NHN). In 1878 reference heights were taken from the Amsterdam Ordnance Datum and transferred to the New Berlin Observatory in order to define the Normalhöhenpunkt 1879 . Normalnull has been defined as
9-455: The more northerly Wurzelbrink , which obscures it from view in Lübbecke. The hill is largely trackless. In spring 2007 its trees suffered major storm damage. The top can be reaches from Lübbecke in under 45 minutes. From the south you need about 20 minutes for the short but steep climb. Normalnull Normalnull ("standard zero") or Normal-Null (short N. N. or NN )
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