Dogo Onsen Honkan

Dōgo Onsen lies in the north-east of Matsuyama, the capital of Ehime Prefecture on Shikoku. The spring is mentioned in Japan's earliest chronicles and is often described as the oldest hot spring in the country; legend tells of a white heron that healed its injured leg in the water. At the centre of the spa town stands the Honkan, the main municipal bathhouse.

The Honkan was built in 1894 on the initiative of the first mayor of Dōgo, Isaniwa Yukiya, who wanted a bathhouse that would still be admired a century later. It is a rambling structure of several connected wooden buildings under tiered tiled roofs, topped by the Shinrō-kaku tower with a red glass lantern and a white heron finial. A drum in the tower is beaten at set times of the day to mark the hours, a sound listed among Japan's 100 soundscapes.

Inside, two bathing areas, the larger Kami-no-yu and the smaller Tama-no-yu, are complemented by upper-floor rest rooms where bathers relax in cotton yukata with tea and sweets. The building also contains the Yūshinden, a separate bathing suite built in 1899 for members of the imperial family.

Dōgo's hot spring appears in the Nihon Shoki and the Man'yōshū, and tradition holds that Prince Shōtoku bathed here in 596. The lords of Matsuyama managed the baths in the Edo period, separating them by social class. The present Honkan replaced older bath buildings in 1894, and wings were added in 1899 and 1924. The novelist Natsume Sōseki, who taught in Matsuyama in 1895–1896, made the bath famous in his novel Botchan. A long preservation and earthquake-strengthening project from 2019 was carried out while the bath partly stayed open, and full operation resumed in 2024.

Dōgo Onsen is embedded in Japanese literature and popular culture. Natsume Sōseki's Botchan (1906), a humorous novel about a Tokyo teacher in a provincial town, made the bath known across the country, and the poet Masaoka Shiki, a native of Matsuyama, wrote haiku about it. The multi-storey bathhouse is often cited as one of the inspirations for the spirit bathhouse in Miyazaki Hayao's animated film Spirited Away.

The Honkan remains a working public bath used by local residents as well as visitors. Around it, the Dōgo shopping arcade, the Asuka-no-yu annex built in the style of the Asuka period and the Botchan Karakuri Clock at the tram terminus form a traditional spa town atmosphere.