TANABE, Wakayama Prefecture--An open air riverside hot spring bath, a winter tradition in this western Japan city’s Kawayu Onsen spa resort, is now open. Known as Sennin-buro,” or mountain hermit bath ...

Winter warmer: Wakayama's hot-spring river bath (vertical video) The 'Sennin-buro,' an open-air bath formed by the damming of a river, has opened for the season at Kawayu Onsen, a hot spring in ...