Today's Opening hours
10:00~21:30
Today's Opening hours
10:00~21:30

ウ ォ ー タ ー パ ー ク
The starting platform is 16.8m high, with a height difference of a whopping 17.5m!
The 131m long course is completely dark and blocks out external light, making it impossible to see your surroundings, doubling the perceived speed and fear.
Many people become addicted to this thrilling and heart-pounding slide!
ウ ォ ー タ ー パ ー ク
・The dedicated swim rings are available in two-seater and single-seater sizes. This is the only one at Hawaiians that can accommodate two people, so parents and children can enjoy the experience together.
・People under 120cm tall cannot ride this ride.

This is the only water slide at Hawaiians that can accommodate two people. The fun is doubled when you slide with someone else!
・When using the Mauna Black two-seater, persons weighing more than 80 kg (each person) are not permitted to ride.
(For safety reasons, we may ask you to confirm your weight. Thank you for your cooperation.)
・When using the Mauna Black two-seater, if there is a large difference in weight between the passengers, the vehicle cannot be used.
(If the weight difference is 55 kg or more, or if the staff deems it dangerous)
・Please note the following when using Mauna Black:Here.


ウ ォ ー タ ー パ ー ク
A winding slider that you slide down with your body. The twisting course is unpredictable and is a great way to enjoy the thrill!

ウ ォ ー タ ー パ ー ク
The slider lets you slide down like a river boat. The last part is like a big slide and is full of thrills.

Big Aloha
With a height difference of 40.5m and a length of 283m, it is the longest body slide in Japan! This thrilling experience is truly a "trip to another dimension."