Kanzanji Hot Springs (Kanzanji Onsen) is a hot spring selected among the 100 best hot springs in Japan. It is well-known throughout the country as the district with the most hot springs of Lake Hamana.
There are many inns in the Kanzanji District, so you can enter different hot springs.
Since there are also day-time spas available, it is possible to stop and get into a hot spring even during cycling
Day-time spa link page (link to Hot Springs Association page)/