Mt. Aso Caldera & Daikanbo Viewpoint
The Aso caldera โ at 25 km ร 18 km the world's largest inhabited caldera โ is best appreciated from the Daikanbo viewpoint on the north rim, where the vast green bowl stretching to the horizon takes your breath away. Drive the scenic Milk Road and Yamanami Highway through open grasslands grazed by cattle for a spectacular approach.