Q:Durrschweinnaab - Durrschweinnaab is a river of Bavaria Germany. It is the right tributary of the Sauer river in Upper Palatinate. It arises at Groenbuhl (448 m) from the confluence of Lohbach and black moss creek which is northeast of Stone Park. It is the smallest estuary of the Naab. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Natural Place