Photo: Miya.m · CC BY-SA 3.0 · Wikimedia Commons

Yūdoku Onsen

Hokkaido · 有毒温泉

Yūdoku Onsen is a hot spring town in Hokkaido, Japan. Officially the water is classed as sulfur spring.

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

Address in Japanese: 北海道上川郡上川町

Figures from the town's Japanese Wikipedia article.

Where it is

43.6803, 142.8839 — open the map

Read more

Japanese Wikipedia

Other towns in Hokkaido

Noboribetsu OnsenHokkaido · 登別温泉

Chloride springBicarbonate springSulfate springIron springSulfur springRadioactive spring

Jōzankei OnsenHokkaido · 定山渓温泉

Chloride spring

豊富温泉Hokkaido

Chloride springBicarbonate springIodine spring

雷電温泉Hokkaido

濁川温泉Hokkaido

Chloride springBicarbonate springSulfur spring

カルルス温泉Hokkaido

Simple springSulfate spring

Kawayu Onsen (Hokkaido)Hokkaido · 川湯温泉

Bicarbonate springSulfate springAcidic springSulfur spring

Yunokawa OnsenHokkaido · 湯の川温泉

Chloride springCarbon dioxide spring

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