2024
BASALTI COLONNARI
Natural site to discover
Read moreThe entrance of the site that is free is done by private gardens, not always easy to find. You must ask the owner to visit them. This is done by following the signs for the Basalti Colonnari from the city center. Guspini's column basalts are very rare geological formations, about 3 million years old. These basaltic rock walls are characterized by a hexagonal column structure produced by the removal and immediate cooling of lava flows.