Nagayu Onsen is in Naoirimachi, Taketa City at the eastern foot of Mount Kuju and is approximately in the middle of Oita Prefecture. The town has existed since the middle of the 8th century, but it wasn’t until the Edo Period when the bathing facilities were developed. Amidst the rice field landscape, there are currently many onsen ryokan inns and baths for non-overnight guests located along the Seri River.
“Drink for healing & bathe for healing—Nagayu Onsen is medicine for the heart and stomach”. This phrase was introduced at the beginning of the Showa Period (1926) in reference to the medicinal properties of Carbonated Onsen, which is Nagayu Onsen’s most unique characteristic. The volume of spring water and concentration of carbonated gas is one of the highest in the world. Among other healing effects, bathing in carbonated waters improves the metabolism and aids in recovering from stomach conditions and fatigue. Drinking the carbonated water improves circulation and the rich minerals are good for the body. There are “Onsen Drinking Spots” in the onsen city for you to stop by and enjoy a refreshing carbonated onsen beverage.
The design of the Onsen Drinking Spots and onsen facilities have a German influence, where medicinal bathing is widely recognized. Naoirimachi, home to the Nagayu Onsen, has a sister city in Germany that is also known for its medicinal bathing. This onsen city is proactive in its efforts to implement onsen treatments suitable for the modern era.

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RECOMMENDATION COMMENTS

Jessica

China

I LOVE Japanese onsen and had tried many already, so wanted to find something unique and somewhere not very easy to get. Then one of my Japanese friend recommended to me Nagayu onsen to try. Actually, it was fun because onsen was bubbling! This carbonated spring made me feel so relaxing. In addition, you can drink onsen water here and it is said that also will be effective if you want to lose your weight! It’s "killing two birds with one stone”, isn’t it?

APPEAL POINTS

Nature／Kyushu OLLE Okubungo Course

“Kyushu OLLE” is an official trekking course for trekkers to experience Kyushu’s nature and onsen with all five senses. There are currently 15 courses in Kyushu. The Okubungo Course is a 12km long course that connects Taketa City and Bungo Ono City. Embar

Gourmet／Seri River Dojo Cusine

The current Nagayu Onsen trend is to dine on Dojo fish farmed in heated onsen. It does not smell fishy, and is served as a Nanbanzuke (fried and pickled), Karaage (deep fried), Kushiyaki (skewer), Kabayaki (broiled and dipped in sauce). The texture is flu

Others／Christian Culture

The Feudal Lord of Oka Castle, Chikatsugu Shiga, who governed these lands during the end of the Sengoku Period was a devout Christian and there were many Christians living in the Taketa region. There are historical sites in the area that depict life back