It is the most important and largest island of the Aeolian archipelago, 37.6 sq. km in area, 9.5 km long. Like the other islands, Lipari has a volcanic nature. In fact, 12 volcanic systems are present. It is also rich in volcanic springs and volcanic materials such as obsidian and pumice. Lipari is the most populated island of the Aeolian Islands, 9,000 inhabitants, which quadruples in summer. There are 4 towns: Acquacalde, Canneto, Piano Corto and Quattropiani. For those who love archaeology, Lipari is worth a visit: the Castle, the ancient acropolis of Lipari, the Archaeological Park, the Aeolian Archaeological Museum, and the Contrada Diana Archaeological Park are all rich in ancient Roman ruins and buildings. The whole history of the Aeolian Islands has passed through here. The most beautiful beach on the island is the Spiaggia Bianca, so called because of its pumice seabed. Crossing the Formiche rocks are the rocks of Pietra Enala and Pietra Lunga, much loved by divers. Following the coast there are many bays to visit and coves to discover.