| November 3, 1925: The station was opened when the Mineyama Line (later the Miyazu Line), operated by the Japan National Railways, was extended (initially the station was called Kuchiono Station). |
1925年（大正14年）11月3日 日本国有鉄道峰山線（のちに宮津線）延長と同時に開業（開業当時は口大野駅だった。）。 |