http://blog.nudist.jp/200910/article_12.htmlA large outdoor bath of the yellowish-brown that the mixed bathing outdoor bath of Ukenokuchi hot spring "Shinseikan" included a lot of iron content is popular.
筌の口温泉『新清館』の混浴露天風呂は、鉄分を多く含んだ黄褐色の広い露天風呂が人気。