Caves and potholes of Marne
The catalogue of Marne lists 21 caves, including 7 potholes and 14 caves.
21caves
Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 21. Without depth data: 21. Without known lithology: 21.
Map
Municipalities
The figures of these places do not add up to the total: a cave can be in more than one place, or in none when its location has no lower level.