Tōnosawa Onsen 塔ノ沢温泉
Discovered in 1605, it is the oldest of the springs developed along the Haya River.
The oldest of the springs developed in the early Edo period along the valley of the Haya River, between Hakone-Yumoto and Miyanoshita.
Kanagawa
Hakone-Yumoto, Tōnosawa