Claim: Doai Station  in Minakami (a town located in Gunma Prefecture) is only reachable by stairs and is a 10-minute walk from the ticket gate to the platform.
Evidence: Minakami (みなかみ町, Minakami-machi) is a town located in Gunma Prefecture, Japan. Doai Station is unusual in that it has two single side platforms, one of which is elevated, and the other is located underground within the Shin-Shimizu Tunnel. The above-ground platform for the southbound trains (to Minakami) is at ground level.