- East of summit of Hohes Augst Eck, south of 2012-dd-06 and 07 and a little higher up.
- Via summit of Hohes Augst Eck
- 2m high, 3m wide horizontal entrance at base of 5m high escarpment.
- CUCC, Duncan Collis and Anthony Day, 2012-08-10
CUCC, (Duncan Collis and Anthony Day, 2012-08-10; Chris Densham, Frank Tully, Anthony Day, Todd Rye 2018-07-11)
5m diameter phreatic tube opens out after 20 m.
Three low passages on left interconnect and choke. Up slope to right leads to narrow descending rift. Opens out at bottom into phreas but ckokes directly ahead. Draft reported in 2012. Name relates to shark-tooth-like popcorn formations.