I think the 'Creature Cave' is known (and ?? qualifies as a cave), and another 'cave', that we are warned not to try to penetrate, is noted. At least, I remember these being pointed out when I did guide orientation several years ago. But, as I now understand it - second hand - the site of this event is something of a dome, part of / up under a rather substantial overhang, and I don't specifically recall seeing it. In any event, it is apparently possible to become disoriented if you ascend under the overhang into the dome, and don't have ambient (day) light available to help you descend and move out from under it.
