Cueva de los Verdes
About
Cueva de los Verdes ("Green's Cave") is located a few hundred metres inland from the Jameos del Agua, and is part of the same tunnel. +34 928 84 84 84. Every day, 10AM-6PM, last entry 5PM. A guided tour takes you through a succession of caverns and tunnels formed by an underground river of lava. The melted rock and mineral formations are well lit, and the demonstration of their acoustical qualities is truly surprising. €8.