Tsukahara Onsen Kako no Izumi
Tsukahara Onsen, located on the opposite side of Yufuin Onsen across Mt Yufu, is
Tsurumi Mountains one of the Tsurumi Mountains to reddish Roiwa zone of Mt Garan
You can see the eerily rising plume.
The spring quality is a strong hot spring with acidic green porridge, which is effective for skin diseases, gastrointestinal diseases, and surgical treatment.
The autumn colors of the primeval forest are beautiful as the smoke of sulfur.