Mitterndorfer Senke#
Mitterndorfer Senke Depression, a sand and rubble trough in the Wiener Becken (Vienna Basin) sunk up to 150 m deep in a very young (from the Ice Age) fracture system, which runs from the Neunkirchen area in southeasterly direction across Wiener Neustadt, Ebreichsdorf, Mitterndorf towards Fischamend; one of Austria´s most important ground-water reservoirs.