The imperial bath chamber at Dogo Onsen Honkan, completed 1899, the only remaining imperial-exclusive bath in Japan and an Important Cultural Property.

Dogo Onsen is one of Japan's oldest hot spring resorts, with references found in the Nihon Shoki, and has long maintained deep ties with the imperial family. During the Meiji era, the resort underwent major redevelopment, and in 1894 the main bathhouse, Dogo Onsen Honkan, was completed. As the need …