Porto Flavia

On the west coast of Sardinia, the second-largest island in the Mediterranean Sea, there was once an unusual port. It’s a small opening on the rock face of the limestone cliffs above the sea, that led directly to the Masua mines, where zinc and lead ores were extracted, via a 600-meter-long tunnel. Ores were brought by conveyor belts to the mouth of the tunnel, from which a mechanical arm loaded the ore directly onto waiting ships. The ingenious harbor was built in 1924 by engineer Cesare Vecelli, who named it Porto Flavia after his daughter Flavia. Porto Flavia. Photo credit: Atzori Riccardo/Shutterstock.com Before the harbor was built, the ore had to hauled from the mines to the beach where they were loaded onto small boats and taken to Carloforte Island harbor 30 kilometers away. The ore was then stored in the magazines or in the hold of waiting steamships until a full load could be shipped to the foundries in France, Belgium and Germany. The transport process was costly, slow and dangerous, and the ore-laden boats often sank in stormy seas. In bad weather, up to two months was required to fully load a steamship in Carloforte. Even when conditions were good, the wait was no less than seven days. The mines' owner asked the Italian engineer Cesare Vecelli to devise a solution to improve steamship loading time and cost. Vecelli surveyed the coasts of Masua, and found the perfect spot high in the cliffs in front of the Pan di Zucchero stack. Here, the sea was deep enough for ships and well-protected from wind and waves to allow a safe mooring, while the ore could be loaded directly from the cliffs. Photo credit: Amergin/Flickr Vecelli’s design consisted of two superimposed tunnels, each 600 meters long, that were linked by nine huge vertical reservoirs for the processed ore.