TokyoCityTOUR AreaGuide

Hokkaido Region


Toya Onsen

Toya Onsen

Toya Onsen is dotted around the lake of the same name, in the southwest of Hokkaido, part of the Shikotsu-Toya National Park.

The lake and the surrounding peaks are a popular getaway for Japanese urban dwellers looking for an escape from the city, with hiking, fishing, water sports, onsen baths and simply enjoying the great outdoors being the key attractions.

Toya-ko-onsen, the third largest caldera lake in Japan, spreads out in front of Lake Toya Hot Spring. According to geologic research, this lake formed due to a gigantic eruption that occurred about 110,000 years ago, and four islands near the center of the lake were lava domes that rose and cooled about 50,000 years ago due to eruptive activity at the bottom of the lake. These islands together are called Nakajima, and visitors can see them close-up by taking a sightseeing tour cruise. Lake Toya is regarded as one of Hokkaido’s three great landscapes for its beautiful lake views that change from morning to evening.The Toya-ko-onsen, which stretches out along the 43-kilometer-diameter lake is one of the best spa resorts in Hokkaido.

In 2008 Toya received its most illustrious guests to date when it was chosen by Japan to host the G8 Summit, to showcase Japan's natural beauty to the world.

There are many places of interest around Lake Toya-ko including the Volcano Science Museum where they show visual images of the eruption that occurred in 1977, complete with a special sound system.

There are also fully facilitated camping sites located around the lake.