🏔️ Tohoku · Fukushima
スパリゾートハワイアンズ（ホテルハワイアンズほかオフィシャルホテル）
Multiple waterslides centered indoors, including Mauna Black (131 m long, 17.5 m drop), Kapuani Fall, and Raki River.
Affiliate / ad links. We may earn a commission if you book.
Notes & caveats
Fukushima · Iwaki
Meal tags: dinner / breakfast
Sources
Hours and fees change. Always confirm on the official site. We do not invent prices or star ratings.
A. Multiple waterslides centered indoors, including Mauna Black (131 m long, 17.5 m drop), Kapuani Fall, and Raki River.
A. There is year-round or indoor equipment (excluding maintenance/closures). Always confirm on the official site.
A. Mauna Black and similar rides: 120 cm+ height. Weight limits apply for dual riders.
A. We do not list prices here (they change often). Check Booking.com, Agoda, or the hotel’s official site for live rates.
Tohoku, Iwate
Waterslide over 90 m long connecting indoor heated and outdoor pools (summer). Indoor pool itself runs on a year-round calendar.
Indoor option
Indoor / all-weather facilities noted for this stay.
Outdoor spaces
Outdoor areas listed — check season and weather.
family
Slide: height 120–180 cm / weight 80 kg or less.
Tohoku, Fukushima
25 m outdoor pool with a waterslide, plus a kids pool (50 cm deep).
Outdoor spaces
Outdoor areas listed — check season and weather.
family
Official facility pages do not detail height limits—confirm before use.
Official confirmation
Hours and fees change — verify on the official site.
Affiliate / ad links. We may earn a commission if you book.