After a check out dive in the Cabouy (which is big and dark with average vis), and the Ressel (which was lovely but a bit milky), I was excited about a trip into La Truffe. Rather than an active streamway, the water in La Truffe in summer comes from percolation through the limestone. This means the vis is crystal clear and very Gambier-esque. The tunnel here is smaller than the first two caves and stays shallow through a number of sumps over a long distance. Our plan was to dive the first sump and have a look in the second. The one concern was the size of the entrance restriction. I was keen to take the rEvo in rather than moving [read more…]