Kusatsu Onsen Gensen Ichinoyu
Kusatsu Onsen Gensen Ichinoyu
Kusatsu Onsen Gensen Ichinoyu
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Kusatsu Onsen Gensen Ichinoyu

草津温泉 源泉一乃湯

Last updated: February 18, 2021

Live like a local in a concept onsen hotel

Kusatsu Onsen Gensen Ichinoyu is a hotel with a difference. This concept hotel creates a space that feels like your second home.

There are ten types of room to choose from, each of which is stylish and spacious. Bathe in a private open-air onsen fed by the Yubatake spring, cook meals in a mini kitchen, and enjoy rolling mountain views.

At Ichinoyu, you can relax and unwind as you would in your own home.


English support

Some English-speaking staff


Natural hot spring baths

Daytrip bathing

Baths open to non-staying guests


Free Wi-Fi available

Luggage storage

Temporarily store luggage

Luggage delivery

Can send bags via courier service

All Western-style toilets

All toilets are Western style

Chair seating

Dining in chairs (not directly on floor)

Private dining

Private dining rooms available

Ingredients list

Ingredients list for meals


Vegetarian meals upon request


Halal meals upon request

Prayer amenities

Muslim prayer items, support, room, etc.


Non-smoking facility

Smoking area

Smoking room(s) and/or area(s)

Free parking

Free-of-charge car parking

Shuttle bus

Shuttle bus service available

Basic Information


135 Kusatsu, Kusatsu, Agatsuma District ( Map)


About 5 minutes on foot from Kusatsu Onsen Bus Terminal

About 1 hour 20 minutes by car from Shibukawa-Ikaho IC of Kan-Etsu Expressway

About 1 hour 10 minutes by car from Usui-Karuizawa IC of Joshin-Etsu Expressway





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