Akiu Onsen Waterfall Scenery & Thermal Experience Fusion

A collection of open-air baths scattered along a gorge in Okuhida Onsen, Takayama City, Gifu Prefecture. Surrounded by Northern Alps peaks including Mount Yari, it offers a unique fusion of natural scenery and hot spring experience. Comprising multiple springs like Shin-Hotaka, Yarimi, Fukuji, and Ichinomiya, it attracts connoisseurs of remote hot springs.

A small mountain onsen town famous for open-air bath hopping with the 'nyuto tegata' pass. Its unified landscape management is noted as a successful hot spring town model.

Five hot spring towns at the foot of the Northern Alps. Said to have the most open-air baths in Japan, its outdoor baths overlooking 3,000m peaks offer breathtaking scale.

Open-air bathing experiences at distinctively colored hot springs in Beppu, such as the Blue Hell, accessible to tourists as part of the Hell Tour. Many facilities offer authentic soaking while functioning as tourist attractions, exemplifying the diversity of Japanese hot spring culture and tourism evolution. Used by approximately 1 million visitors annually.

An open-air bath culture exemplified by nine remote mountain onsen inns in the Oku-Okhotsk valley, Nikko, Tochigi. These intimate facilities offer rustic rotenburo seamlessly integrated with nature. Guests experience bathing amid snow in winter, cherry blossoms in spring, and autumn foliage—embodying Japanese onsen aesthetics. Its difficult access preserves its character as a hidden gem in serene wilderness.

A collective term for six hot spring communities nestled in the northern Hida Mountains near Takayama, Gifu Prefecture. Comprises Shinhotaka, Tochiao, Fukuji, and Shinuhotaka onsen plus three distinctive rotenburo areas. Despite its remote mountain setting, settlements spread along the Kameda River. Particularly beautiful during autumn foliage season, attracting hikers and onsen enthusiasts.

A premier hot spring resort in Akiu, Sendai, Miyagi Prefecture, representing Tohoku's thermal heritage. Adjacent to Akiu Falls, one of Japan's three major waterfalls, it offers waterfall-view bathing experiences. Characterized by mild sodium chloride waters, it has been favored by Sendai feudal lords since the Edo period. Today, luxury ryokans line the area, attracting literati from Kanto and Tohoku regions.