False Just south of Schwarzmoossattel, in the far upper reaches of Kratzertal. There is an obvious freeclimbable shaft/cave just down valley from the equally obvious shakehole/shaft labelled B4. T It is numbered twice in red paint, once very faded and once very badly run (and also very faded in 2006): both numbers are needed to deduce (with difficulty) that this is indeed "75". Tag "1623/75" placed by CUCC on 2006-08-14. S Seen in 1990 and 1996 (by AERW?). Relocated, tagged, and surfaced surveyed to in 2006. 1680m 1623.p75