Cova del Congre

Large mouth of 14 x 17 metres and on its W side a rock ramp leads to sea level. A chaos of large blocks allows ascending through the main gallery up to the final stretch where the descending ceiling, the blocks and the sediments choke the cavity. From the chamber a narrow passage of 7 metres in length emerges in an ascending direction with a block wedged between its walls.

Two holes in the floor, one at sea level and the other about ten metres further in, allow access to a flooded gallery of between 2-4 metres in diameter developed beneath the main gallery and basically between a chaos of blocks with a 4 metre branch on the W side. The underwater route is 32 metres.

Above the mouth and on its W side we find two small galleries: the upper one, which climbs 5 metres, and the lower one, 10 metres in length and with the floor covered by Sand.

The total height difference is 21.5 metres (-4.5; +17) and the route is 77 metres, of which 32 are underwater. The route of the small upper cavities is not included.

It should be noted that this submerged gallery is active. The flow it provides is significant enough that in summer and in the final stretch a clear temperature difference is noticed between the fresh water and the sea water.

In times of rough seas it is dangerous to approach the water and during strong storms the water comes to invade the whole chamber, as testified by the remains left by the sea.