Onsen distribution in Japan

Onsen (natural hot springs in Japanese) is especially popular and numerous in Japan as it is a volcanically active country. Due to the volcanic nature, every onsen area has different kinds of onsen differentiated by the minerals its mineral components which in terms provide specific health benefits. Generally, all types of the onsen enhance relaxation of body and mind.

The onsen baths can come in many types: open-air or indoor, colourless or coloured, public or private and also mixed gender or separate. Onsen bath houses are either publicly run by a municipality or privately, often as part of a hotel or a traditional Japanese inn called 'Ryokan'.

Below is a list of some of the best onsen towns across Japan: