Last updated: February 12, 2020 at 4:27 am
6,390 m (20,965 ft) — Unnamed crater lake on Ojos del Salado, the highest volcano in the world, which borders Argentina and Chile. The diameter of the lake has been estimated at ≃100 m (328 ft) and its depth from 5 to 10 m (16 to 33 ft). The natural body of water was the site of the record high-altitude dive.
5,791 m (19,000 ft) – Crater Lake, Licancabur Volcano (Chile / Bolivia). In 1982, a team led by Johan Reinhard made 11 dives. Max depth 6.1 m (20 ft). The crater lake at Licancabur was the site of the highest altitude freedive, and a former highest altitude dive.