Aven des Murettes

a long entrance (2 m x 0.7 m) gives access to a small step that leads to a sloping gallery. This turns left and is extended by an incised forced conduit that opens into a small chamber. On the right, another incised forced conduit, but smaller this time, leads via a vertical step to another chamber.

At the far right end, a small gallery interspersed with two severe constrictions opens onto a large step interspersed with a landing. The bottom takes the form of a sloping gallery ending in a very severe constriction. In the entrance gallery, at the foot of the step, a pretty section of gallery climbs back up to the surface. In addition, above the large step at the bottom, a chimney has not been ascended.

No equipment is necessary; all the steps are easily climbed.

The whole is fairly muddy and unbreathable. Going there is not recommended. a small draught is observed ventilating the cave and appears to come from the chimney that opens above the large step at -17. Below, the cave is completely gassed and the continuation at the bottom is impassable.