Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Setose Onsen is a simple hot spring in Japan, its name suggesting a location near a stretch of river rapids—se—where water narrows through rock to create the rushing, energetic sound that has long accompanied thermal bathing in Japan's river-valley onsen tradition. Simple alkaline waters provide the gentle, skin-warming soak that has made Japan's simple springs a daily ritual for local communities across the archipelago, accessible to all ages and constitutions without the intensity of more dramatically volcanic mineral springs. The combination of riparian landscape and restorative thermal waters defines this spring's quiet, unhurried character within the natural framework of a Japanese mountain river system.
Insider tip — Setose Onsen is a small hot spring village in eastern Hokkaido's Kitami region, surrounded by farmland and forest typical of the island's vast interior. The volcanic origin of the springs produces mildly sulfurous waters well suited for extended soaking and relaxation after outdoor activities like cycling or hiking the nearby hills. Few foreign tourists venture this far into rural Hokkaido, giving the baths a local, unhurried atmosphere. The surrounding landscape is spectacular in summer when wildflowers carpet the meadows.
