The key things were quoted as:
Gated
Next to a stream (sounded more like a river or fall)
Portal 2 to 3 foot wide (quite narrow)
Ankle deep water
Otters live there
I bet that the bat fans read these mine exploration sites and panic if we get too close - Relax, we wont do anything wrong, If the bats were scared they would all ****** off! :tongue: