|Okinomiya Shinwaen inn(Mori no Kakurega)|
|1354, Uchinomaki Onsen, Aso City|
|About 10 minutes by taxi from JR Hohi Line Aso Station, about 50 minutes from Kyushu Road Kumamoto IC|
Aso Uchinomaki Onsen is in the Aso Caldera.The caldera is the magma that was in the basement (hot melted rock in the basement of the volcano etc) when it comes out in large quantities at once, in order to fill the cavity formed in the part where the magma existed, the upper part It is called a caldera which is made by collapsing.
This caldera has a gigantic elliptical shape of 25 kilometers north and south and 18 kilometers east and west, and it is said to be one of the most caldera in the world.The scenery is the best with the outer rim surrounding the surroundings.