Hisatsu Line Rail & Trailside Walk – Special Track Experience from Ōsumi-Yokogawa Station to Kirishima-Onsen Station
On May 31, 2026, a special walking event along the Hisatsu Line lets participants walk roughly 6.4 km from Ōsumi-Yokogawa Station to Kirishima-Onsen Station, including a rare chance to walk on the railway tracks themselves ahead of the line's planned reopening.