What is an onsen? Learn about the history, culture, and science of the Japanese hot spring.
Learning about the geological history and science of the Japanese hot spring gives you a chance to learn and have a more fulfilling experience in these marvels of Nature.
Onsen have always been naturally found throughout Japan and there is little doubt that these naturally warmed waters have been used for centuries. Here is a a short guide to the history of the hot spring in Japan.