Kusasenri Aso 2026: Mt. Aso’s Grassland & Horses [Guide]

Kusasenri (草千里ヶ浜) is a vast grassland plateau in Aso, Kumamoto Prefecture, with grazing horses, a crater lake, and the active Mt. Aso volcano in the background. The closest analog to its landscape isn’t typical Japan — it’s closer to Iceland…