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Kinugawa Onsen Isshinkan
forumWhat families say
Rakuten Travel rating 4.22 out of 5 (913 reviews). Guests praise the gentle alkaline simple onsen drawn 100% from the inn's own spring source, the only one of its kind in Kinugawa, along with the year-round indoor onsen pool, the onsen kurhaus certified by the Japan Kurhaus Association, and Shinsen no Yu, the private-hire open-air bath overlooking the ravine. Families with children particularly value being able to enjoy both the onsen and the pool.
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Kids Facilities
An indoor onsen pool open year-round
An indoor onsen pool open year-round
An indoor onsen pool generously filled with water drawn 100% from the inn's own spring source (10 m x 4 m, 1 m deep, around 30°C). Because it is indoors, it can be used all year regardless of the weather or season, for swimming and water walking. A private-hire plan is also available if you apply at the front desk. Please bring your own swimsuits.
- •An indoor onsen pool fed 100% by the inn's own spring source (10 m x 4 m, 1 m deep, around 30°C), usable year-round; bring your own swimsuits
- •A private-hire plan for the pool is available if you apply at the front desk
Onsen kurhaus (certified by the Japan Kurhaus Association)
Onsen kurhaus (certified by the Japan Kurhaus Association)
The onsen kurhaus PISILA is a facility certified by the Japan Kurhaus Association. It offers a variety of baths and ways to bathe, including a waterfall bath (utaseyu), a standing bath and onsen bathing programs. The men's and women's baths swap between morning and evening.
- •An onsen kurhaus certified by the Japan Kurhaus Association, with a range of baths including a waterfall bath (utaseyu) and a standing bath; the men's and women's baths swap between morning and evening
Shinsen no Yu, a private-hire open-air bath overlooking the ravine
Shinsen no Yu, a private-hire open-air bath overlooking the ravine
Shinsen no Yu is an open-air private-hire bath with a view of the ravine (reservation required, fee applies). You can enjoy onsen water drawn 100% from the inn's own spring source with just your family.
- •Shinsen no Yu, an open-air private-hire bath overlooking the ravine, is available (reservation required, fee applies)
- •It can be used free of charge for 50 minutes.
Overview
Kinugawa Onsen Isshinkan is a century-old onsen ryokan and the only inn in Kinugawa Onsen fed 100% by its own spring source. The water is a gentle alkaline simple onsen, which is welcome news for families traveling with a baby. Its standout feature is an indoor onsen pool open year-round, filled entirely with the inn's own spring water, 1 m deep and around 30°C, so the family can enjoy the water whatever the weather or season. The onsen kurhaus, certified by the Japan Kurhaus Association, has a variety of baths including a waterfall bath (utaseyu) and a standing bath, and there is also Shinsen no Yu, a private-hire open-air bath looking out over the ravine. It is a good match for families with children who want both onsen and a pool. Rakuten rating 4.22 out of 5.
Kinugawa Onsen Isshinkan, in the Kinugawa Onsen area of Nikko, Tochigi, is a century-old onsen ryokan and the only inn in Kinugawa Onsen fed 100% by its own spring source.
The Only 100% Private Spring Source in Kinugawa, with Gentle Water
Isshinkan's onsen comes 100% from the inn's own spring source, a rarity in Kinugawa. The water is an alkaline simple onsen with a source temperature of 34°C, gentle on the skin and welcome for bathing with babies and children.
An Indoor Onsen Pool Open Year-Round
The standout feature is the indoor onsen pool, generously filled with water drawn 100% from the inn's own spring source (10 m x 4 m, 1 m deep, around 30°C). Because it is indoors, it can be used all year regardless of the weather or season, for swimming and water walking. Please bring your own swimsuits. A private-hire plan for the pool is also available if you apply at the front desk.
An Onsen Kurhaus Certified by the Japan Kurhaus Association
The onsen kurhaus PISILA is a facility certified by the Japan Kurhaus Association. It offers a variety of baths and ways to bathe, including a waterfall bath (utaseyu), a standing bath and onsen bathing programs. The men's and women's baths swap between morning and evening.
A Private-Hire Open-Air Bath Overlooking the Ravine
Shinsen no Yu is an open-air private-hire bath with a view of the ravine (reservation required, fee applies), where you can enjoy the onsen with just your family.
A Base for Sightseeing in Kinugawa
About 7 minutes by Dial Bus from Tobu Kinugawa Onsen Station. It is a convenient base for visiting the theme parks and sightseeing spots of the Nikko and Kinugawa area.
This page is compiled from information on the official website, Rakuten Travel and the booking site Jalan. Please check the official website or Rakuten Travel for the latest details, including the conditions for using the pool.
Access & Information
| location_onAddress | 542-3 Kinugawa Onsen Taki, Nikko, Tochigi 321-2526 |
|---|---|
| directions_carAccess | About 7 minutes by Dial Bus from Tobu Kinugawa Onsen Station. It takes about 120 minutes from Asakusa Station to Tobu Kinugawa Onsen Station. |
| trainNearest station | Kinugawa Onsen Station |
| local_parkingParking | Parking for 60 cars, free of charge, on a first-come, first-served basis. |
| callPhone | +81-288-77-0008 |
| paymentsCards | VISA, JCB, American Express, Diners Club, UC, DC, NICOS, OMC, UFJ Card, Mastercard, Saison, AEON, JACCS, CF, LIFE, ORICO, View, West, JTB, Daimaru, Takashimaya, Rakuten Card, ANA, JAS, JAL |
| languageOfficial site | https://www.i-spa.co.jp/open_in_new |
Reference price as of August 28, 2026 (stay date 2026-09-19). Please check the booking site for actual rates.
Frequently Asked Questions
Are the meals for children under school age filling?
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Yes. The meals prepared for children under school age come in generous portions as well.
Are there sightseeing spots nearby that children can enjoy?
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Nikko Edomura, one of Nikko's well-known sightseeing spots, is nearby, and families with children can enjoy it too.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Jalan (last verified: August 2026). Prices, availability and seasonal operations change — please check each booking site for the latest information.
We take care to keep information accurate, but always confirm the latest details on the hotel's official site and booking sites before you book or visit.