Photo: Alpsdake · CC BY-SA 4.0 · Wikimedia Commons

Nakabusa Onsen

Nagano · 中房温泉

Nakabusa Onsen is a hot spring town in Nagano, Japan. The water leaves the ground at 56–97°C, hot enough that it has to be cooled before anyone can get in. Officially the water is classed as sulfur spring. Its sources put out around 770 litres a minute.

Sulfur spring

The water here

Sulfur spring 硫黄泉

The classic rotten-egg smell and milky white water. It can tarnish silver jewellery, so take it off.

The numbers

Water temperature
56–97°C
Discharge
770 litres a minute
Address in Japanese
長野県安曇野市穂高有明7226

Figures from the town's Japanese Wikipedia article.

Where it is

36.3942, 137.7466 — open the map

Read more

Japanese Wikipedia

Other towns in Nagano

Bessho OnsenNagano · 別所温泉
Sulfur spring
Hirugami OnsenNagano · 昼神温泉
Sulfur spring
Togura-Kamiyamada OnsenNagano · 戸倉上山田温泉
Sulfur spring
Shirahone OnsenNagano · 白骨温泉
Bicarbonate springSulfur spring
Kakeyu OnsenNagano · 鹿教湯温泉
Simple spring
Yudanaka-Shibu OnsenNagano · 湯田中渋温泉郷
Chloride springSulfate springSulfur spring
Asama OnsenNagano · 浅間温泉
Simple spring
Hoshino OnsenNagano · 星野温泉
Chloride springBicarbonate spring

Planning a first soak? Read how an onsen stay works, and what to do if you have tattoos.