The Cave of Bue Marino together with cave Ispinigoli are among the most famous and spectacular caves of Supramonte, the Bue Marino overlooking the sea, located about 4 km from Cala Gonone at the centre of the Gulf of Orosei, to get there on foot after a trek of about 40 minutes "not recommended except to persons very experienced" or through the barge after a travel of about 20 minutes, the departures are "in the summer" every 2 hours from the small port of Cala Gonone. The cave of Bue Marino known since Neolithic was frequented by people on their path that has left some carved on the walls petroglifici, which are all 'entrance to the cave protected by a glass wall, the Bue Marino takes its name from the presence until a few years makes the famous monk seal that was going to give birth to their pups away from predators and by 'man. The cave develops in 2 main branches, branch north and south branch to which it recently added called third branch of half because develops between the two main branches, the recent discoveries made speleological it can be estimated at about 20 km total development but it is hoped that with the ongoing explorations this may be exceeded by much with a connection to 'another important system that develops in the direction of codula moon .... The tourist branch "southern branch" is the active branch where they are made visits, spread for about 7 km, during the progression are initially saltwater lakes that comes directly from the sea After a few hundred meters from 'entry begin lakes hanging Fresh Water, continuing the lakes alternate with beaches of pebbles and sand with large circles on the sides develop secondary branches that interrupt after a few tens of meters in these are special concretions of great beauty as canule "angel hair" that descend from the ceiling as thin tubes calcite lens of very small sections (3 / 4 mm), which defy the gravity with their length that reaches to 3-4 meters, large environments lead after the distance of about 3 km from 'entry until the first siphon, which must be tackled with equipment speleo diving, from here forward progression and only for a few experts speleo sub.

La mia Sardegna