Aso Kumamoto Airport observation deck阿蘇くまもと空港 展望デッキMashiki, Kumamoto, Mashiki/KotaniCool spotsJust watch planes take off and land. Visits are self-guided; staff give no guidance.Address: 1802-2 Oyatsu, Mashiki, Kumamoto🕐 6:30 until the last flight departsOfficial site ↗Details can change. Before you go, please check the official site for current hours and prices.