The Kuhstall () is the second largest natural arch in the Elbe Sandstone Mountains after the Pravčická brána. It is located on the Neuer Wildenstein, a 337 m high rock outcrop in the hinterland of Saxon Switzerland, south of the Lichtenhain Waterfall and above the Kirnitzsch valley. It is crowned by the 15th-century castle of Wildenstein. The arch is 11 metres high, 17 metres wide and 24 metres deep.