Shima Onsen Izumiya

♨️A five-room adults' hideaway by the murmuring Shima River

Gunma · Shima Onsen Izumiya

1

A five-room hideaway founded in 1896

• 🏯A long-running inn on the Shima River in the Yamaguchi area of Shima Onsen, founded in Meiji 29 (1896).
• 🤫With just five rooms, it hosts only five groups a day and accepts guests of junior high school age and older.
• 🚭The whole building is non-smoking, with free Wi-Fi throughout.

2

Free-flowing water from its own spring

• ♨️The inn's own source, Izumiya-no-yu, is a 56°C sodium-calcium chloride-sulfate spring, and every bath is kakenagashi (free-flowing).
• 🌿Listed benefits include gastrointestinal ailments, neuralgia, skin conditions, scrapes and cuts, and atopic dermatitis.
• 🔑There is no large public bath; instead the rock bath Izumi-no-yu and the semi-open-air Keisei-no-yu can be reserved privately for free whenever vacant, 14:00 to 10:30 the next day.

3

Three rooms with private open-air baths

• 🛁Suirei, Suigetsu and Suiten each have a private free-flowing open-air bath facing the mountain stream.
• 🛏️Suirei, fully renovated in January 2025, is a maisonette Japanese-Western suite with a deck terrace, open-air bath and electric reclining chairs.
• 🌙On the top floor, Suigetsu pairs a twin bedroom with a round tub, while Suiten has twin beds on tatami and an oval wooden tub, for two adults only.

4

Room-only rooms and the lounge

• 🏠Suimei and Suika are standard 10-tatami rooms (up to 3 guests) offered room-only, with consecutive nights accepted.
• ☕Free coffee is served in the ground-floor lounge from 7:30 to 12:00 and 14:00 to 17:30.
• 🪜There is no elevator; all floors are reached by stairs.

5

Mountain vegetables picked by the owner

• 🌱The owner heads into the mountains before dawn to forage seasonal wild vegetables and mushrooms, served with river fish from the Shima River.
• 🥩Dishes include homemade sashimi konnyaku made from konjac root and Joshu beef steak with salt or steak sauce.
• 🍚Dinner starts at 18:00 or 18:30 (no dinner for arrivals after 19:00); breakfast's onsen rice porridge, cooked with spring water, is a favorite.

6

Sights around Shima Onsen

• ⛩️Hinatami Yakushido, a nationally designated Important Cultural Property, is about 10 minutes by car.
• 💧Lake Okushima is about 7 minutes by car, and Lake Shima, whose water changes color through the day, about 10 minutes.
• 🪨The Shima Onsen potholes, a Gunma natural monument, are about 5 minutes by car.

7

Access and parking

• 🚗About 3.5 hours by car from Tokyo, exiting the Kan-Etsu Expressway at Shibukawa-Ikaho IC.
• 🚌A direct bus runs from Tokyo Station to Shima Onsen, and the trip can also be made by limited express train.
• 🅿️Free parking for 7 cars (low-clearance cars are directed to a public lot); winter tires or chains are required in winter.

3

Three rooms with private open-air baths

• 🛁Suirei, Suigetsu and Suiten each have a private free-flowing open-air bath facing the mountain stream.
• 🛏️Suirei, fully renovated in January 2025, is a maisonette Japanese-Western suite with a deck terrace, open-air bath and electric reclining chairs.
• 🌙On the top floor, Suigetsu pairs a twin bedroom with a round tub, while Suiten has twin beds on tatami and an oval wooden tub, for two adults only.

4

Room-only rooms and the lounge

• 🏠Suimei and Suika are standard 10-tatami rooms (up to 3 guests) offered room-only, with consecutive nights accepted.
• ☕Free coffee is served in the ground-floor lounge from 7:30 to 12:00 and 14:00 to 17:30.
• 🪜There is no elevator; all floors are reached by stairs.

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Five rooms, free-flowing open-air baths, free private baths and the owner's foraged mountain cuisine make this a quiet inn for adults. Note there is no large public bath or elevator, children of elementary age and under cannot stay, and rooms with open-air baths do not take consecutive-night bookings.

#ShimaOnsen#GunmaRyokan#PrivateOpenAirBath#PrivateBath#Kakenagashi#AdultsOnlyRyokan#MountainVegetableCuisine

* This introduction was compiled from information published by each property (official website and similar sources), so some details may differ from what you find on the day. It is AI-assisted and can contain errors — please check the official website and the details shown at booking before you reserve.

♨ Shima Onsen · 16 ryokan in this onsen town

From onsen etiquette to check-in — the things worth knowing first.

What are the check-in and check-out times at Shima Onsen Izumiya?

Check-in starts at 14:00 and check-out is by 12:00.

Where is Shima Onsen Izumiya located?

It is in Agatsuma-gun. Address: 3981-1 Shima, Nakanojomachi.

What is the cancellation and refund policy?

Free-cancellation deadlines vary by rate plan and are shown with each room. Cancelling before the deadline gives a full refund.