Cave of the Soplao
The cave of the Soplao in Cantabria, discovered at the beginning of the 20th century is considered one of the magnificent wonders of geology. During your tour you can enjoy the spectacularity and diversity of its eccentric formations.
The Soplao located in the towns of Herrerías, Valdáliga (villages of Labarces and Roiz) and Rionansa (town of Celis), in the Sierra de Arnero, Cantabria. It is considered a unique cavity worldwide by the quality and quantity of the geological formations Which houses in its 20 kilometers of total length, although only 4 are open to the public. Tourism in Cantabria.