The Aiguille de Prony hydrothermal site is 38 m high and 20 m wide. It is located 50 meters deep. it is located in the Bay of Prony in the large lagoon of New Caledonia.

This project is funded by the French National research Agency « ANR ». It is an interdisciplinary and international long-terme collaboration between researchers at the Mediterranean Institute of Oceanography, Geoscience Environnement Toulouse, Institut du Globe de Paris, Medis, Entropie, The Stony Brook University.