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Situated near Hallyu World and KINTEX in Ilsan, Onemount is the largest multi-cultural space in the northwest metropolitan region. It is housed in three buildings with two underground floors and nine above-ground floors, for a total surface area of 161,602 square meters. Aiming to be the best playground in the world, Onemount features a shopping mall, snow park, water park, and a members-only luxury sports club, and also organizes various performances, events, and parties throughout the year.

Onemount Water Park is a huge urban water park that offers an array of both indoor and outdoor attractions. The water park offers spaces for sun tanning and enjoying the natural sunlight, and also hosts special poolside parties. It has nine water amusement facilities, with recreational facilities including a thrilling slide reaching 40 meters in height, a wave pool, a waterplay facility, and a running-water pool. Water also regularly splashes throughout the park, adding an element of excitement.



N/A (Open all year round)


Operating Hours

Weekdays 10:00-18:00 / Weekends 10:00-19:00


Admission Fees

Refer to the website for detailed information.


Available Facilities

[Indoor facilities] Ventura River, Tugel Ride, spa pool, Carnival Beach, Kingball Ride, KIDS Center, Giant Play, Speed Bang, toddler pool, Fantastic Flex, bade pool, doctor fish zone, sauna, dry dock, sunbed zone, tent zone, etc.
[Outdoor facilities] Coloride, family pool, Sky Boomerango, Aqualand, Whirling Dervish, event pool, lazy pool, spa pool
[Rooftop Garden] Ever Slide, Pinocchio Village, cabana zone
[Amenities] Rental shop, water supplies shop, nurse’s office, nursery, food court, restaurants, etc.





Parking Fees

Water park guests – Free for the first five hours



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Value for Money

Now Closed

Opening Hours

  • Sunday 10:00 AM - 05:00 PM
  • Monday 10:00 AM - 05:00 PM
  • Tuesday 10:00 AM - 05:00 PM
  • Wednesday 10:00 AM - 05:00 PM
  • Thursday 10:00 AM - 05:00 PM
  • Friday 10:00 AM - 05:00 PM
  • Saturday 10:00 AM - 05:00 PM