Mount Etna features unique lava formations like Grotta degli Archi

Mount Etna continues to shape its landscape through volcanic activity, creating unique geological formations such as the Grotta degli Archi. Located on the southwestern slope in the territory of Biancavilla, this cave was formed by lava flows that cooled on the surface while molten lava continued to flow inside, creating natural tunnels and large rock arches.

While the volcano's activity creates these surreal landscapes, it also remains a significant natural site for autumn trekking, where visitors can observe the contrast between black lava flows and seasonal vegetation.