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Hakone Kowakien Tenyu
forumWhat families say
Rakuten Travel rating: 4.7 out of 5 (864 reviews). Families praise being able to relax and bathe at leisure in their own room's open-air onsen bath, the buffet's wide range of dishes, and the good access to the hot-spring theme park Hakone Kowakien Yunessun. Guests describe it as a resort the whole family can enjoy all day.
Categories
Kids Facilities
Every Room Has Its Own Open-Air Onsen Bath
Every Room Has Its Own Open-Air Onsen Bath
Each room comes with its own open-air onsen bath, so even families with small children can bathe together in complete privacy, as many times as they like.
- •Every room includes an open-air onsen bath
Buffet Dining and Access to Yunessun
Buffet Dining and Access to Yunessun
The buffet, with its wide range of dishes, is popular, letting kids choose what they like. The resort also has good access to the hot-spring theme park Hakone Kowakien Yunessun, which the whole family can enjoy.
- •Wide-ranging buffet menu; good access to Hakone Kowakien Yunessun
客室の温泉露天風呂
客室の温泉露天風呂
大浴場ではおむつが取れていないお子さまの湯船入浴を控えるよう案内されていますが、全室に付く客室の温泉露天風呂であれば家族一緒に入浴できます。
ユネッサン キッズプール「ポニーラグーン」
ユネッサン キッズプール「ポニーラグーン」
- calendar_monthSeason:Confirm with hotel
- paymentsPrice:Free for guests
隣接する箱根小涌園ユネッサン内のキッズプールで、水深30cm、高さ1mのスライダーと見守りスペースがあります。水遊び用おむつと水着は園内で購入できます。天悠の宿泊者は滞在中、水着エリアを何度でも無料で利用できます。
Overview
Hakone Kowakien Tenyu is a large resort in Kowakidani, Hakone, where every room comes with its own open-air onsen bath. With an onsen bath in each room, even families with small children can bathe together in complete privacy, as many times as they like. The buffet, with its wide range of dishes, is also popular, letting kids pick out what they like. The resort has good access to the hot-spring theme park Hakone Kowakien Yunessun, making it easy for the whole family to enjoy activities all day. It's a convenient base for exploring Hakone. Rakuten rating: 4.7 out of 5.
Hakone Kowakien Tenyu, in the Kowakidani hot-spring area of Hakone, Kanagawa Prefecture, is a large resort where every room has its own open-air onsen bath.
Every Room Has Its Own Open-Air Onsen Bath
Each room comes with its own open-air onsen bath, so even families traveling with small children can bathe together in complete privacy, as many times as they like.
The Buffet and Yunessun
The buffet, with its wide range of dishes, is popular, letting kids choose what they like. The resort also has good access to the hot-spring theme park Hakone Kowakien Yunessun, where families can enjoy swimwear-friendly hot-spring pools and more, playing all day long.
This page is edited based on information from Rakuten Travel. Please check the latest details, such as Yunessun's usage conditions, with Rakuten Travel before you book.
Access & Information
| location_onAddress | 1297 Ninohira, Hakone-machi, Ashigarashimo-gun, Kanagawa 250-0407 |
|---|---|
| directions_carAccess | By bus or hotel shuttle from Hakone-Yumoto Station on the Hakone Tozan Railway (the hotel is in Kowakidani); please confirm the details with the hotel. |
| trainNearest station | Hakone-Yumoto Station |
| local_parkingParking | Parking available. |
| callPhone | +81-465-20-0260 |
| paymentsCards | VISA, JCB, American Express, Diners Club, UC, DC, NICOS, Mastercard |
| languageOfficial site | https://www.ten-yu.com/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
Does every room really have its own onsen bath?
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Yes. Every room at Hakone Kowakien Tenyu has its own open-air onsen bath using the area's Kowakidani hot-spring water, so families with small children can bathe together in complete privacy as many times as they like during their stay.
Is the pool at Yunessun suitable for young children?
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The kids' pool "Pony Lagoon" at Yunessun is about 30 cm deep, with a 1-meter-high slide and a supervision area nearby for parents. At that depth, it's described as a good spot for a child's first time in the water, and swim diapers and swimwear can be bought inside Yunessun. A new water slide was also added in March 2025.
Can we get a crib for the room?
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A crib is available for the room on a rental basis. Pricing and availability are not published, so please confirm rental details with the hotel when you book.
What are the meal options for kids at the buffet?
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The buffet has a wide range of dishes for kids to choose from. Elementary-school-age children are served from the adult menu, while younger children receive a dedicated kids' menu.
How do we get to the hotel, and is parking available?
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From Hakone-Yumoto Station on the Hakone Tozan Railway, you can reach the hotel in Kowakidani by bus or hotel shuttle - please confirm the details with the hotel. Parking is available on-site.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Ikyu.com (English), 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.