The park derives its name from Mount Aso, the largest active volcano in Japan, and the Kujū mountains.

[3] Around 270,000 years ago, a burst of volcanic activity helped shape the area.

The shikinaisha shrine complex at Ichinomiya in what is today Kumamoto Prefecture was said to have been established in 281 BC.

[5] The original location of the shrine is uncertain because it was destroyed and rebuilt many times in or near the crater of Aso-san.

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