https://japantoday.com/category/features/travel/the-hottest-highest-and-healthiest-hot-springs-in-japan?
Finally, the onsen with the hottest water in Japan is Yumura Onsen in Hyougo Prefecture with temperatures reaching up to 98 degrees Celsius (208.4 degrees Fahrenheit).
Now, the only problem is, with all the great places to visit, how do we decide where to start??