Babies enter free, swim diapers sold, nursing rooms, diaper tables and stroller access exist, but no lifeguard or baby-only warm pool means parents must hold infants constantly.
Why 3-4 hours visit duration is ideal for with baby: This is enough time to enjoy pools, use baby facilities, and rest without rushing.
BOXAPPY’s Splish-Splash Pool:
Shallow 30 cm pool with gentle fountains and jets perfect for holding your baby.
Tip: Hold your baby at waist level and ensure they wear swim diapers.
Baby Rooms (授乳室):
Private rooms with nursing chairs, changing tables, microwave and hot water dispenser.
Tip: Use the microwave to warm bottles and schedule visits between bath sessions.
Relaxation Room (Tatami Lounge):
Quiet tatami area with mountain views for resting and feeding your baby.
Tip: Visit early to secure a spot during peak hours midday.
Free Lockers:
Large lockers (42×82×41 cm) to store diapers, strollers, and baby gear at no cost.
Tip: Reserve a locker near the entrance for easy access to supplies.
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Item | Cost (Approx.) |
---|---|
Swimwear-area admission (2 adults) | JPY 5,000 |
Stroller storage at front desk | JPY 200 |
Swim diaper pack (3 pieces) | JPY 550 |
Baby swimwear rental | JPY 770 |
Towel rentals (bath & face) | JPY 400 |
Total Estimated | JPY 6,920 |
Note: All prices are indicative and may vary. Please check directly with the venue for the most accurate and up-to-date information.
Open-air baths close in deep winter. Visit spring to autumn for outdoor pools. Expect higher crowds on weekends and Japanese holidays.
Address: 1297 Ninotaira, Hakone, Ashigarashimo District, Kanagawa 250-0407, Japan
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M K
Gross! We visited the swimsuit pool area as visitors, did not stay at the hotel. It was crammed full of people. Some surfaces were slippery and almost all areas except the rest area upstairs were not clean. Locker rooms were slimy and dirty. If youre from the U.S. and know Great Wolf Lodge, it was like that but worse. The staff at the front were very nice, that was about the only good thing abou...
Jonathan Dudley
We came to the water park. It was hideous. For children they can run around and have a good time. It is not for adults at all. So busy and tacky. Not relaxing at all..I did come on a weekend. The staff were very helpful but unless you have small kids don't bother.
?
The floor was wet (obviously) but we all had to go with bare feet.. making me worry all the time about getting foot bacteria that would make them fall off or grow fungus. Please let me just wear slippers it's not that big of a deal. It wouldn't be IF it wasn't so damn crowded. Can't even lay down in the pools because there is someone next to you and most of the pools were unenterable because of t...
Tammy Wong
Our family of 4 rented a car just to come here for a day. Place was spacious, plenty of lockers and different themed warm pools. Price is relatively cheap. Outside onsen with the view was closed for maintenance which was disappointing. We did the fish nibbling your feet which was fun. Place desperately needed an upgrade though. Everything is so run down, the bottom of the outside cave pool w...
Sarah Thomas
We went to the water park- booked tickets online for the afternoon slot and rented towels for ¥250 each. Was very easy to fill many hours here. Lots of different novelty onsens to get in, the water everywhere was lovely and hot and even around the pool areas was really warm too, makes a change from uk public pools! You can tell it’s older but it still felt clean enough and plenty of lifeguards. Yo...
Opening Hours
Hours may vary during holidays, special events, and peak seasons. Please check the official website for the most up-to-date information.
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