In 1978, Koyo Paradise adjacent to Hotel Koyo opened 'Hotel Orient Express,' which was a nine-car train consisting of a steam locomotive made in Germany and eight sleeping railroad cars made by International Sleeping-Car Company, on its property.
併設の紅葉パラダイスは1978年、ドイツ製蒸気機関車と国際寝台車会社製寝台車(鉄道)8両を連ねた「ホテル・オリエント急行」を敷地内に開業した。