Onioshi Onsen

Onioshi Onsen, hot spring resort on the altitude of 1,130m

Introduction of Hot Springs (Onsen)

“Hotel Karuizawa 1130” is a highland resort hotel located in North Karuizawa, and literary named after its altitude of 1,130 meters.

The hot spring water from Mount Asamayama is golden color and known for skin-beautifying bath.

The open-air hot springs are uniquely built with lava stones from Mount Asama. This hotel fully equips a heated pool and relaxation facilities that are designed to provide a nice unique healing space, providing a different taste from hot spring inns.

Effects and characteristics of Hot Springs

Hot spring and a heated pool are available for drop-in visitors, so you can stop by in the middle of sightseeing.

How about including the visit to Onioshi Onsen as part of your trip to Karuizawa?

In addition, “Karuizawa Prince Shopping Mall”, Japan’s largest outlet mall, is located nearby and shuttle bus service is available.
  • Spring Qualities

    Hydrogen Carbonate hot-spring
  • Efficacy

    Neuralgia Muscle stiffness Recovery from fatigue


Access by public transportation.

Approx 40 min by shuttle bus or taxi from Karuizawa Station

Access by car

Approx 50 min driving from Usui-Karuizawa IC

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