Awazu Onsen . Awazu Onsen Away Onsen claims to have been founded by the shugendō monk Taichō in the Nara period. Taichō was a native of neighbouring Echizen Province and is said to have been the first person to have claimed Mount Hakusan, from which the hot springs at Awazu Onsen have their source. Although it is a small resort with few more than ten "ryokan", each inn has its own well, rather than using a common source. The Hōshi Ryokan, founded in 718 AD was recorded in the Guinness Book of World Records as the world’s oldest hot spring innfounded in
Takanoyu Onsen the onsen its eponymous name. The onsens in Akinomiya were officially recognized by the Akita Clan in the Edo period (1603–1868). The various hot springs in the immediate area are referred to as the Akinomiya Geothermal Area and are situated along the western base of Mount Kurikoma. Takanoyu Onsen has its own hot spring, which wells up directly adjacent to the inn on the east bank of the Yakunai River. The water temperature at the spring source is 72 °C (162 °F). Only about ten percent of all hot spring facilities in Japan have water flowing directly from their own