The strongest carbonated spring in Nagayu Onsen, which contains 1380 ppm of carbon dioxide!
All in Kyushu
Kaimon Onsen
A strong salty hot spring situated close to the sea.
Nagayu Onsen "Naganoyu"
Do you like gas? If so, Naganoyu is a must-go onsen because it is full of carbon dioxide gas!
Kan no Jigoku Onsen
A kósen with astonishing medicinal benefits, however, as indicated in the name, it is freezing cold.
Yufuin Onsen "Kasei no yu"
An onsen with full of nostalgic charm which provides quite relaxing water suitable for a long soak.
Kabeyu Onsen "Fukumotoya"
Take a 2-hour long soak to experience the characteristics of the hot spring! Crystal clear water flows out of cracks in the rocks.
Kawazoko Onsen "Keisenso"
An onsen discovered by Sugawara no Michizane, the stone-paved bath is filled with glassy water.
Ukenokuchi Onsen "Shinseikan"
Soothe your body in a huge open-air bath with outstanding quality of hot spring.