There is a crisis in the world of Japanese onsen. Due to climate change and increased geothermal drilling, many springs are losing pressure. The list is shrinking. In 1990, there were 20 facilities on the "Top" list. By 2024, the selection committee can barely find 13 that meet the criteria.
Managing the natural cooling of 90°C water to a swimmable 42°C without adding cold water (typically through long wooden troughs or bamboo "cooling towers"). 6. Conclusion
Here are a few insider tips for visiting Gensenfuro 13 Top:
Renowned for its highly acidic, therapeutic waters.
