Japan Railways (JR) operates a train from Beppu to Aso-san every 20 minutes. Tickets cost $2 - $3 and the journey takes 14 min. JR Kyushu Railway Company also services this route every 2 hours. Alternatively, Kyushu Sanko Group operates a bus from Beppu to Aso-san once daily. Tickets cost $28 and the journey takes 3 h 24 min. Kyushu Sanko Group also services this route 3 times a day.
How to get from Beppu to Aso-san
From Beppu train to Oita, train to Ikoi no Mura, then taxi to Aso-san. 3 h 43 min ¥8827. From Beppu station Honmachi bus to Aso then bus to Asosan Nishi. 4 h 54 min ¥3727. From Beppu drive to Aso-san. 1 h 39 min ¥1552.