Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
In a traditional onsen, bathers follow a serene and respectful ritual. Guests typically disrobe and store their belongings in a designated area before entering the bathing area. Onsen etiquette emphasizes cleanliness and modesty, with separate facilities for men and women. Bathers often wash thoroughly before soaking in the hot spring waters, which are believed to promote relaxation and purification. A tranquil atmosphere is maintained, encouraging visitors to unwind and rejuvenate amidst the soothing surroundings.
Insider tip — At the Akita gateway to the volcanic Hachimantai plateau — a primordial landscape of crater lakes, dragon-eye ponds, and steaming geothermal vents straddling Akita and Iwate — Yurara onsen in Kazuno offers civilized base camp comfort for exploring one of Tohoku's most extraordinary volcanic highlands; the plateau autumn foliage is among Japan's finest.