Longest caves in Aosta Valley
The longest cave in Aosta Valley in the EspeleoWorld catalogue is Romains (Trou des) (1,794 m), followed by Borna di Ciove and Gran Borna.
The longest cave in Aosta Valley in the EspeleoWorld catalogue is Romains (Trou des) (1,794 m), followed by Borna di Ciove and Gran Borna.