The Cuevas de los Murciélagos are a complex of two volcanic caves on La Palma, Canary Islands. They are located at the Nacientes de Marcos y Cordero (springs of Marcos and Cordero) near the municipality of San Andrés y Sauces in the north of the island. Cueva de los Murciélagos I is located in an altitude of 1220 m, Cueva de los Murciélagos II in an altitude of 1000 m. Both caves have a length of 100 m. The access is not difficult. Though it is a descending tube it is good to walk. On the endpoint of the Cueva de los Murciélagos I is a small firepit in the soil which is slightly more complicated to access. In some areas it has a steep slope. It's a rather old cave where erosion caused by the years is evident, hence the debris is very abundant and they are large blocks of terrestrial materi