Trend of regional characteristics was revealed by classification based on landform, natural water system resource and formative process of hot spring area. Classification of “ravine” and “hilly land” experienced small-scale development by mostly hot spring cure, medical treatment and health-seeking and leave old streetscape. Classification of “valley-between mountains-flat”, “hilly land-flat” and “flat” experienced major-scale development by mostly merriment and pleasures. Therefore scale of present hot spring area is determined by landform, natural water system resource and formative process of hot spring area.