From your map it looks like you are at the Junee Caves to me so I would imagine that this water would be rising from a spring somewhere in that limestone cave system. The clarity of the water is perfect for checking out all the fish and other little critters who live in there.
AL
"What went ye out into the wilderness to see? A reed shaken in the wind"?
Yep - the whole area is underlain by a massive cave system. I was told recently that a well-known mineral water purveyor sends a tanker down that way regularly to collect ... um, mineral water!
cheers
Peter
Solvitur ambulando (Walking solves it) - attributed to St Augustine, 4th century AD.