Aso, in Kumamoto-prefecture

 

Aso is located almost in the center of Kyushu and possesses the world’s largest

Caldera with 18km west-east and 24km north-south, created by 4 periods of explosive

volcanic activity in the ancient times.

In the Aso Caldera, there are five mountains including Naka-dake mountain 

which is an active volcano where the crater can be viewed from the top. 

Daikanbo peak, on the outer edge of the Aso Caldera is a must place

to visit offering panoramic views of the magnificent scenery including the

five mountains of Aso and the serene and beautiful green plains below.

Population : Aso-city 23,000 people, Aso-gun 32,000 people

Population density : Aso-city 63 people / km2,  Aso-gun 46 people / km2