False 1623-87a In a dry valley leading up from the Stögerweg (path 201) shortly after the turn off for Schnellzughöhle. In 2001 the hole was seen blowing a large quantity of vapour visible from some way off. P No. 87 in red, which is correct but might have been changed to 87A (OK) or 87B (bad) in 1987 S p87 first (of several) bolts used for rigging, LHS of entrance