[2][3] Akan is an area of volcanic craters and forests, covering 90,481 hectares (904.81 km2).

[2][3] The park is famous for its crystal clear lakes, its hot springs, and its large marimo.

[4] Mount Iō and the Kawayu Onsen offer natural hotsprings and sulphur fumaroles.

At the lake, Wakoto Peninsula is an area with high ground temperatures and uniquely adapted wildlife.

Emerging from within caldera is the Akan Volcanic Complex, which includes the highest mountain in the park, Mount Meakan.