Kanto · Kanagawa · Oiso
Oiso Prince Hotel
Oiso Long Beach summer complex: ~500 m outdoor lazy river (流れるプール) plus wave pool, kids paradise, and ~140 m tube waterslides.
🗼 Kanto · Tochigi
Nikko Kinugawa Hotel Mikazuki
日光きぬ川ホテル三日月
Indoor Garden Spa main attraction is an ~100 m flowing lazy river plus ~20 m waterslide, jets, and saunas. Summer rooftop pool is separate (not the lazy river).
IndoorYear-round orientedAd
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Lazy river & stay facts
- Indoor
- Yes
- Outdoor
- No
- Year-round
- Year-round oriented
- Age / limits
- Waterslide: under 120 cm not allowed (official). Lazy river is the calmer option for younger kids with guardians.
- Swim diaper OK
- unknown
- family
- lazy-river
- indoor-rainy-day
- onsen
Notes & caveats
- Garden Spa is for overnight guests only (no day use).
- Free for stay day and next day—confirm hours on spa calendar.
Location & sources
Tochigi · Nikko (Kinugawa Onsen)
Meal tags: dinner / breakfast
Sources
Hours and fees change. Always confirm on the official site. We do not invent prices or star ratings.
FAQ
Q. Does Nikko Kinugawa Hotel Mikazuki have a lazy river or flowing pool?
A. Indoor Garden Spa main attraction is an ~100 m flowing lazy river plus ~20 m waterslide, jets, and saunas. Summer rooftop pool is separate (not the lazy river).
Q. Is it indoor or year-round?
A. There is year-round or indoor equipment (excluding maintenance/closures). Always confirm on the official site.
Q. Any age or height notes?
A. Waterslide: under 120 cm not allowed (official). Lazy river is the calmer option for younger kids with guardians.
Q. How much does it cost?
A. We do not list prices here (they change often). Check Booking.com, Agoda, or the hotel’s official site for live rates.
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Bade Zone year-round heated leisure pools: outdoor flowing lazy river plus indoor current/walking pools, jets, and 25 m swim lane. Spa-leisure style, not a thrill park.
Kanto · Kanagawa · Hakone
Hakone Hotel Kowakien
Guests get free Yunessun access including indoor Bosappy River lazy river (swimsuit spa) plus kids lagoon; Rocky Splash waterslides also on site.
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Also on Japanese OTAs