Lion Cave (Lava Tunnel)

This lava tunnel connects Crater No. Ⅲ with Crater No. Ⅳ. It is about 20 m long, 3-4 m high and 8-10 m wide. Previously it was an outlet of the lava flow from Crater No. Ⅲ, forming the current landscape after the collapse. Because of the lion-shaped huge rock at its entrance, the cave is named the Lion Cave.