Caves and potholes of Brittany
The catalogue of Brittany lists 479 caves, including 2 potholes and 476 caves.
479caves
Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 479. Without depth data: 479. Without known lithology: 479.
Map
Departments
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.