Kyushu 

Over the past 30 million years, the island of Kyushu was mainly built by the outpourings of lava and ash from the volcano of Mt. Aso.  It has thrown out so much debris that the surface has collapsed, forming the largest above-ground active caldera in the world.

University Farm | Kuju Highland | Mount Kuju | Mount Aso | Kuju town | Taketa | Naoiri | Usuki