Westin Rusutsu Hot Spring


Hours of Operation

Hours: Mon-Sun: 05:00 AM - 10:00 AM, 02:00 PM - 01:00 AM

Relax in the public bath or hot spring while staying at the Westin Rusutsu Resort. A soak in the hot water is a great cultural experience and will leave you feeling refreshed and reinvigorated.

Spa Highlights


  • Separate Men's & Women's Lounges
  • Steam room

The Westin Rusutsu Hot Spring

The Hot Spring is located on the second floor of The Westin Rusutsu Resort. Relax as the soft, mild and faintly alkaline hot spring water gently envelopes your body. Experience the spacious bath, open- air outdoor bath and permanent dry sauna. The hot spring water is from a natural bicarbonate spring, which provides a wide range of health benefits in addition to soothing relief from muscle pain. Feel a deep sense of relaxation while enjoying a spectacular view of the stunning natural scenery from the comfort of the open-air bath.
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Hot Spring – Kotobuki

Our brand new hot spring (onsen) overlooking at Shikotsu-Toya National Park with a total floor space of 3,000 square meters. We offer a wide range of Onsen baths include a large indoor bath, cave bath, jet bath, dry sauna in the male Onsen and steam/mist sauna in the female Onsen and large traditional open-air baths with heat-generating floor. Using natural hot spring water the Kotobuki hot spring provides relaxing and therapeutic experiences both indoor and outdoor.
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