Lake Kussharo Sunayu Onsen

A mysterious open-air hot spring where hot spring water gushes to the surface when you dig a hole in the sandy beach by the lake

Sunayu, located on the eastern shore of Lake Kussharo, is a unique open-air hot spring experience. Visitors can dig a hole in the sandy beach to create a warm pool with natural hot spring water that gushes to the surface. The beautiful view of the lake makes it a perfect spot to soak your feet and relax. 

The area around Sunayu is a year-round attraction. In summer, visitors can swim in the lake and go camping, while in winter, a whooper swan colony comes to Lake Kussharo from Siberia, attracted by the geothermal activity. Sunayu is a popular spot for photographers to capture shots of whooper swans against backdrops of fresh snow and frozen water. There are shops, toilets, and a campground nearby.

  • * Please note that the text shown on this page includes machine translations.
Nearest airports
New Chitose Airport Sapporo Okadama Airport Hakodate Airport Okushiri Airport Asahikawa Airport Wakkanai Airport Rishiri Airport Okhotsk Monbetsu Airport Memanbetsu Airport Nemuro Nakashibetsu Airport Tancho Kushiro Airport Tokachi Obihiro Airport

Hot spring information

Spring quality/Indications (for bathing)

Hydrogen carbonate springs
Cuts, peripheral circulatory failure, cold constitution, dry skin

General Information

Address
北海道弟子屈町
Directions
●By car: About 60 minutes from Memanbetsu Airport
Website

Lake Mashu Tourist Association

* Information on facilities is subject to change. Please check each official website for the latest information.

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