Trou Madame

Trou Madame is an advanced cave diving site in the Midi-Pyrénées of France, where a siphon entrance — the 'Lady's Hole' — leads to submerged passages through the region's karst limestone. The evocative name adds a touch of mystery to this technically demanding dive that requires full cave diving certification and experience. The underground passages follow the natural fractures and dissolution channels in the bedrock, creating a varied cave architecture. Spring water clarity is typically excellent, revealing the geological detail of the cave walls and any formations present. Cool, constant water temperatures and the overhead environment demand proper technical preparation. Trou Madame closes out the exceptional collection of cave dives in the Midi-Pyrénées.