False 1623-2012-OK-02 16232d 2012-OK-02 1623-2012-OK-02 Olaf Kähler and Wookey There appears to be a large phreatic tube close to the surface with a collapsed roof. Entrance could be gained by abseiling about 5m down onto a pile of rubble and a passage might continue to the south. Bolting kit and about 10m rope required. not in kataster 1623/2012-OK-02/2012-OK-02.html