About the cave Olwolgin Cave is well on its way towards having more underwater passage than any other cave in Australia. With miles of intersecting tunnels, crazy rock shapes, dark water and white silt, it’s a photographer’s playground. About the dive As you saw in the video I posted last week, we had a lot of fun on our first dive of the trip. With nearly three hours in the water and lots of footage in the can, I wanted to move back to photos for the subsequent dive. We also moved from Upstream Olwolgin to Downstream Olwolgin, leaving the breathers behind and strapping on sidemounts instead. The tunnels here are bigger, and with only one diver to hold strobes [read more…]