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Kids Stay
From about US$473/ per night (2 adults, ¥74,800)

Reference price as of October 12, 2026 (stay 2026-11-07). US$ is an approximate conversion from yen. Check the booking site for actual rates.

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forumWhat families say

Families with children praise the free entry to the adjoining Hamanako Pal Pal and the drink-inclusive service at dinner. They also value being able to use baby items such as diapers and baby baths free of charge, and the range of places to play in the hotel, including the playroom and karaoke.

Read guest reviews on Booking.com

Kids Facilities

Kotokko Hiroba (baby and kids' playroom)

Indoor

A baby and kids' space for staying guests only. In a wooden space where children can move around freely, they can pull themselves up to stand and cruise along holding on, and discover the fun of playing with both mind and body through activities such as wooden play-kitchen sets that build the imagination. Areas are divided by age, so even babies from age 0 can use it with peace of mind.

Ikoi Hiroba

Indoor

An area for staying guests only where you can enjoy board games and books together with your children.

Baby and kids' amenity station

A corner of baby and children's items that you are free to take as you need during your stay at the hotel. It is stocked with children's toothbrushes, slippers (13 cm and 15 cm), jinbei and yukata for children (from 90 cm), toilet-training seats, two-step stools, picture books and games to borrow, including playing cards, UNO and Jenga.

Waku Waku Stay Kirin / Family Stay / Welcome Baby Stay

Indoor

Waku Waku Stay Kirin, in the Garden Court building, is a children's themed room where the bunk beds feel like a secret hideout and the ceiling glows in the dark, revealing a sky full of stars at night. Family Stay, in the Sky Court building, is a large Japanese-style tatami room that was newly Welcome Baby-certified in April 2026. Welcome Baby Stay is a Japanese-Western room with beds pushed together into one flat surface, baby items provided and a garden balcony; all Welcome Baby Stay rooms are non-smoking.

Dinner buffet (kids' corner, free baby food)

Indoor

The dinner buffet venue has a kids' corner with the dishes children love. Baby food is free of charge at dinner and breakfast, and about 30 kinds of baby food are available at 160 yen each. Children's tableware, paper bibs, food scissors and a masher are also provided, and the restaurant has picture books as well. The buffet runs in two seatings: the first from 5 p.m. to 6:45 p.m. and the second from 6:45 p.m. to 8:30 p.m., with the second seating running from 7:15 p.m. to 9 p.m. on Fridays, Saturdays, Sundays and public holidays.

Hitotoki no Yu (for staying guests only)

Indoor

An open-air bath for staying guests only, wrapped in the fresh air of the forest. It alternates daily: the women's bath on odd-numbered days and the men's bath on even-numbered days. Hours are 10 a.m. to midnight on your check-in day (last entry 11 p.m.), and 5 a.m. to 9:30 a.m. the next morning (last entry 9 a.m.).

Hanasaki no Yu (the only day-use hot spring facility at Lake Hamana Kanzanji Onsen)

Indoor

A large day-use hot spring with 10 baths, including Sekkei no Yu and Hikou no Yu, plus a mist sauna, a dry sauna, a silk bath and an open-air bath. After your soak you can also enjoy a massage or the comic-book corner. Hours are 2 p.m. to midnight and 5 a.m. to 9:30 a.m. the next morning, with day-use bathing from 10 a.m. to 11 p.m.

Hamanako Pal Pal (adjoining amusement park, free entry for staying guests)

Outdoor

Staying guests can enter Hamanako Pal Pal, the amusement park directly connected to the hotel, free of charge from their check-in day through their checkout day. All-day ride passes can be purchased at a special price. In summer, Pal Pool inside Pal Pal can also be used for a separate facility fee of 1,100 yen.

Categories

Overview

Hotel Wellseason Hamanako is a resort hotel at Lake Hamana Kanzanji Onsen and the first property in western Shizuoka Prefecture to be certified as a Welcome Baby inn by the Miki House Child Care Institute. It brings together everything a family trip needs: Kotokko Hiroba, a baby and kids' playroom where children can play from age 0; Waku Waku Stay Kirin, a room with bunk beds and a glow-in-the-dark ceiling; attentive care from the baby concierge leaders; and the adjoining large hot-spring complex Hanasaki no Yu (free for staying guests for up to 37 hours) and Hamanako Pal Pal amusement park (free entry for staying guests).

Hotel Wellseason Hamanako, set at Lake Hamana Kanzanji Onsen, is a family onsen resort and the first property in western Shizuoka Prefecture to be certified as a Welcome Baby inn by the Miki House Child Care Institute. It is about 5 minutes from the Kanzanji Smart IC on the Tomei Expressway, and about 45 minutes by local bus from JR Hamamatsu Station.

Rooms

There are 9 room types: Family Stay (a large Japanese-style tatami room, newly Welcome Baby-certified in April 2026), Welcome Baby Stay (a Japanese-Western room with beds pushed together into one flat surface), Waku Waku Stay Kirin (a kids' themed room with bunk beds and a glow-in-the-dark ceiling), Relax Stay (Ryukyu tatami with a low bed), Garden Stay, Natural Stay and Universal Stay, among others.

Baby and Kids' Services

The services for children are the most extensive in western Shizuoka. They include Kotokko Hiroba, a baby and kids' playroom for staying guests only where children can play from age 0, with areas divided by age; Ikoi Hiroba for board games and books; an Amenity Station gathering children's toothbrushes, slippers, jinbei and yukata from 90 cm, toilet-training seats, two-step stools, picture books and games to borrow; a kids' corner at the dinner buffet; baby food free of charge at dinner and breakfast; an air purifier with a humidifying function in every room; and items such as a baby bath, a Bumbo seat, a portable bassinet, a crib and the Pitatto Bed fall-prevention bed guard. A baby-bottle sterilizing set at 620 yen, a bed-wetting sheet at 250 yen and baby bath goods at 350 yen carry a fee.

Baths and Onsen

The onsen options are Hitotoki no Yu, an open-air bath for staying guests only (the women's bath on odd-numbered days and the men's bath on even-numbered days, from 10 a.m. to midnight on your check-in day), and Hanasaki no Yu, the only day-use hot spring facility at Lake Hamana Kanzanji Onsen (10 baths, saunas, massage and a comic-book corner, free for staying guests for up to 37 hours). The spring water is a sodium-calcium chloride strong-brine hot spring.

Activities and Experiences

The adjoining Hamanako Pal Pal amusement park offers free entry for staying guests, along with perks such as Pal Pool in summer and a special price on the all-day ride pass. The hotel has also introduced glafit electric-bike rental and a Museum Hotel service.

Access & Information

location_onAddress1891 Kanzanji-cho, Chuo-ku, Hamamatsu-shi, Shizuoka 431-1209
directions_carAccessAbout 5 minutes from the Kanzanji Smart IC on the Tomei Expressway. About 45 minutes by local bus from JR Hamamatsu Station.
trainNearest stationHamamatsu Station
local_parkingParkingParking is available, free of charge from the day you check in until the day you leave, with no reservation needed. Wheelchair-accessible parking is available (please inquire), and there is covered parking for motorcycles.
callPhone+81-53-487-1111
paymentsCardsVISA, JCB, American Express, Diners Club, UC, DC, NICOS, Bank Card, UFJ Card, Mastercard, Saison, JACCS, CF, LIFE, ORICO, JTB, Takashimaya, Rakuten Card, JAL
languageOfficial sitehttps://wellseason.jp/open_in_new

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From about US$473/ per night (2 adults, ¥74,800)

Reference price as of October 12, 2026 (stay 2026-11-07). US$ is an approximate conversion from yen. Check the booking site for actual rates.

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Per night, 2 adultsUS$473+As of October 12, 2026
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Frequently Asked Questions

What ages is Hotel Wellseason Hamanako best suited to?

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It has facilities that work especially well for babies and toddlers (ages 0 to 2) and children aged 3 and over. There is no age limit, and families with children of any age can stay.

Does Hotel Wellseason Hamanako have baby beds?

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Baby beds are available to rent. See the Kids Facilities section on this page for details.

Is there parking at Hotel Wellseason Hamanako?

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Parking: Parking is available, free of charge from the day you check in until the day you leave, with no reservation needed. Wheelchair-accessible parking is available (please inquire), and there is covered parking for motorcycles.

How do you get to Hotel Wellseason Hamanako?

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About 5 minutes from the Kanzanji Smart IC on the Tomei Expressway. About 45 minutes by local bus from JR Hamamatsu Station.

Can a baby who is not yet out of diapers use the communal bath?

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Babies who are not yet out of diapers cannot get into the tubs in the communal baths, but each communal bath has a baby bath, so they can still enjoy the onsen together with their parents.

Can the hotel provide baby food?

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Yes. Baby food matched to a child's age in months is provided, and at dinner and breakfast it can be eaten free of charge.

When do cancellation fees start to apply?

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Cancellation fees apply from 5 days before the date of your stay. Depending on the circumstances, however, such as a change of dates, a cancellation fee may not be charged.

How much does it cost for a baby aged 0 to 2 to stay?

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For children aged 0 to 2, a facility fee of 1,100 yen (tax included) per child is charged separately. When booking, please enter the children's ages and number in the remarks field. In return, there are good-value perks, such as free diapers, free baby food at dinner and breakfast, and a wide range of items to borrow.

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Guests

Information on this page was compiled by directly consulting Official website, Rakuten Travel, Ikyu.com (a Japanese booking site), Jalan (last verified: October 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.

For the people who run this property: corrections and updates go through For Hotels & Partners, and the "Listed on Kids Stay" badge for your website is on Listing badge. Both are free.