Aktun Chen cave system
Also known as Actun Chen
Area: Akumal
Length: 5,435 m
Maximum depth: 25 m
There is a sidemount only restriction on the upstream section. The majority of the cave system is downstream.
Exploration
1998-07 - Christophe Le Maillot, Bernd Birnbach
Exploration and survey (Mafia Maps). Surveyed passage to date: 17,046 ft.
2001-01 - Bernd Birnbach, Christophe Le Maillot