Between 12 and 40+ meters

Diver level:
For the area around the tunnel, Open water is enough but to explore the Barda del Sastre you need a very good level of diving

This diving area has become world famous but it is a very fragile area since, especially inside the tunnel, you have to avoid touching the walls and ceiling and, in addition, the exhaled bubbles form macro bubbles on the ceiling.

Be especially careful inside the tunnel Dive torch

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