Holter Burg

Holter Burg - Credit: Wikimedia Commons

The Holter Burg is the oldest castle site in the municipality of Bissendorf near Osnabrück in the German state of Lower Saxony. It is the ruin of a hill castle.Römisch-Germanisches Zentralmuseum Mainz (publ.): Führer zu vor- und frühgeschichtlichen Denkmälern - Das Osnabrücker Land III, Vol. 44, Verlag Philipp von Zabern, Mainz, 1979, pp.122ff It was the third hill castle in Osnabrück Land along with the Iburg and the Wittekindsburg near Rulle. Read more on Wikipedia

type: military installation
date from: in the 10th and 11th centuries

Source: en.wikipedia.org