This dive site, known as Grandes Jorasses, features magnificent underwater reliefs of volcanic origin, echoing its Alpine namesake. Divers navigate an impressive wall that starts around 40 meters and plunges deeper to 60 meters, revealing the vast formation of this unique underwater mountain with canyons. It is advisable for divers to be comfortable with deep diving.
The site is teeming with marine life, offering encounters with various pelagic species such as barracudas, bigeye trevally, and captains. On the sandy areas at the bend of the canyons, resting stingrays can often be spotted amidst the abundant ecosystem, making for rich wildlife observation opportunities.
The best time to visit this site would generally be during calm weather periods for optimal diving conditions. Divers should be proficient in deep wall diving techniques, and advanced freedivers will find the impressive depth and unique volcanic structure appealing for breath-hold training and exploration of the extensive wall.

