Toyotomi Onsen

豊富温泉

Est. 60Toyotomi, Hokkaido

Local Pick

Overview

Japan's northernmost onsen with rare petroleum-infused springs prized for skin healing.

Japan's northernmost hot spring village pumps oil-infused water from 960 meters underground, one of only two petroleum-containing onsens in the world. Discovered during oil drilling in 1926, the sulfurous, amber-tinted water feels silky and has drawn long-stay visitors seeking relief from psoriasis and eczema for nearly a century. The Fureai Center offers day bathing in two types of water: the distinctive oily spring and a clearer sodium-chloride spring. Surrounding Sarobetsu Plain erupts with wildflowers from June through August.

Local tips

Wash thoroughly at the shower stations before entering the bath. This is non-negotiable etiquette. Bring a small towel but keep it out of the water.

Practical info

Japanese name: 豊富温泉
Nearest station: Wakkanai Station (50 min drive)
Reservations: not required

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