Cueva de los Verdes — Walk and get into the volcanic tunnel of Cueva de los Verdes, It is not only one of the most interesting volcanic formations on the island, but is also one of the longest volcanic tube in the world of 6 km long. The municipality of Haría on the island of Lanzarote in the Canary Islands, Spain, and forms part of the vast volcanic landscape of the Monumento Natural del Malpaís de La Corona. Its formation is the result of the eruptive activity of La Corona Volcano. Dating back, according to geologists, some 3000 to 5000 years, which gave rise to an extensive underground volcanic tunnel over six kilometers long, running from the cone of the volcano down to the sea. Two of the most relevant Centers of Art, Culture and Tourism - "Cueva de los Verdes" and "Jameos del Agua" - are located inside the tunnel.

 The cave is also famous for its concert hall which is located near the entrance and exit of the cave. The concert hall has about 15 to 20 rows with 26 seats in each row, allowing up to 500 people in the concert hall at once. In earlier centuries, inhabitants throughout Lanzarote hid in this cave to protect themselves from European pirates and Muslim slave raiders.

As with many cave systems, the Cueva de los Verdes has its own optical illusions, which you will be shown on the guided tour; which is the only way to see the Green Caves