While Higashi-Taga Inn draws hot-spring water from one source, Isazen Inn draws from four. （carbonated,chalybeate , alkaline and one other spring)
Isazen Inn seems to suit the taste of visitors who pay more attention to the quality of water rather than services or facilities)
This inn will remind the elderly of onsen inns built in post (or pre)-war Showa period ( from the mid-40s to 70s)