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forumWhat families say
Rakuten Travel rating: 4.54 (1,123 reviews). Families praise the in-room dining plan with a free private-hire indoor bath, the smooth, gentle alkaline simple onsen, and the open-air-bath rooms where you can enjoy the Tonosawa onsen. With no facility-use fee or co-sleeping charge for children 6 and under and free baby-goods rental, guests recommend it as an ideal ryokan for three-generation and baby-accompanied family trips.
Categories
Kids Facilities
In-Room Dining Plus a Free Private-Hire Indoor Bath
In-Room Dining Plus a Free Private-Hire Indoor Bath
The most popular plan pairs in-room dining with a free private-hire indoor bath. Because meals are served in your room, families with children can eat at their own pace without worrying about other guests, and the private-hire indoor bath is free, letting the family soak together in privacy.
- •An in-room dining plan is available, with free use of the private-hire indoor bath
- •We accommodate food allergies to the extent possible. Please be sure to let us know, and we will adjust the menu content accordingly.
Open-Air-Bath Rooms with an Alkaline Simple Onsen
Open-Air-Bath Rooms with an Alkaline Simple Onsen
The water is a natural alkaline simple onsen with a smooth, gentle feel on the skin - a welcome spring for bathing with a baby. The hotel also has open-air-bath rooms and special rooms where you can enjoy the Tonosawa onsen in your own room's private bath, along with a communal bath and open-air bath.
- •The water is a natural alkaline simple onsen; open-air-bath rooms and special rooms with the Tonosawa onsen are available
Baby-Welcoming Rates and Free Baby-Goods Rental
Baby-Welcoming Rates and Free Baby-Goods Rental
Children aged 6 and under stay with no facility-use fee, and co-sleeping is also free - rates designed to be kind to families with children. Free baby-goods rental is also available (limited quantities), so families with babies can travel light.
- •No facility-use fee and free co-sleeping for children 6 and under; free baby-goods rental available (limited quantities)
Overview
Set beside a mountain stream in Tonosawa, Hakone, this baby-friendly ryokan is popular with three-generation families and parents traveling with children. Its most popular plan pairs in-room dining with a free private-hire indoor bath, letting families enjoy a meal and a soak together without worrying about other guests. The water is a natural alkaline simple onsen with a smooth, gentle feel on the skin - a welcome spring for bathing with a baby. There are also open-air-bath rooms and special rooms where you can enjoy the Tonosawa onsen in your own room's private bath. Children aged 6 and under stay with no facility-use fee, and co-sleeping is also free. Free baby-goods rental is available too, so families with babies can stay with peace of mind. Rakuten rating: 4.54 stars.
Nestled beside a mountain stream in Tonosawa, Hakone-machi, Kanagawa, Hakone Shiunso is a baby-friendly ryokan popular with three-generation families and parents traveling with children.
In-Room Dining and a Free Private-Hire Indoor Bath
The most popular plan pairs in-room dining with a free private-hire indoor bath. Because meals are served in your room, families with children can eat at their own pace without worrying about other guests, and the private-hire indoor bath is free, letting the family soak together in privacy.
A Gentle Alkaline Simple Onsen, Kind to Babies Too
The water is a natural alkaline simple onsen with a smooth, gentle feel on the skin - low in irritation and a welcome spring for bathing with babies and young children. Besides the communal bath and open-air bath, the hotel also has open-air-bath rooms and special rooms where you can enjoy the Tonosawa onsen in your own room's private bath.
Baby-Welcoming Rates and Baby Goods
Children aged 6 and under stay with no facility-use fee, and co-sleeping is also free - rates designed to be kind to families with children. Free baby-goods rental is also available (limited quantities), so families with babies can travel light.
A Base for Exploring Hakone
The ryokan is located in Tonosawa, a short distance from Hakone-Yumoto Station. Despite the quiet, streamside setting, access to Hakone's main sightseeing spots is good.
This page is compiled from information on the official website, Rakuten Travel, and the OTA site Jalan. For the latest details, such as the baby-goods lineup, please check the official website or Rakuten Travel.
Access & Information
| location_onAddress | 92 Tonosawa, Hakone-machi, Ashigarashimo-gun, Kanagawa 250-0315 |
|---|---|
| directions_carAccess | Located in Tonosawa, a short distance from Hakone-Yumoto Station on the Hakone Tozan Railway (please confirm details with the hotel). |
| trainNearest station | Hakone-Yumoto Station (Hakone Tozan Railway) |
| local_parkingParking | Parking available. |
| callPhone | +81-460-85-8511 |
| paymentsCards | VISA, JCB, American Express, Diners Club, UC, DC, NICOS, OMC, Bank Card, UFJ Card, Mastercard |
| languageOfficial site | https://www.shiunso.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
Is there a private-hire bath we can use as a family?
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Yes. The free family bath, Danshaku-no-yu, can be used for 40 minutes per group at no charge. The ryokan's most popular plan pairs in-room dining with this free private-hire indoor bath.
Are there discounts for young children, and is co-sleeping free?
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Yes. Children aged 6 and under stay with no facility-use fee, and co-sleeping is also free.
Is the onsen gentle enough for a baby?
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Yes. The water is a natural, mildly alkaline simple onsen from the ryokan's own source spring, with a smooth, gentle feel on the skin, and it's described as a welcome bath for babies and young children.
What baby equipment and rentals are available?
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The hotel offers a formula-prep hot water pot, baby shampoo, diapers (fee), and a children's chair, plus free rental of a humidifier and free baby-goods rental (quantities limited). If you bring your own baby food, staff can warm it in a microwave - just ask your room attendant. The communal bath also has a baby bed, a diaper-disposal bin, and rental baby soap and a baby bath chair.
Is late checkout available?
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Yes. Late checkout is available up to 11 a.m. at the latest, for an additional fee of JPY 1,650 per person per hour.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Ikyu.com, 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.