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One Mount Water Park

A water park that is great for family visits all year round

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Popular to boys from 24 to 48 months

Updated at 05/04/2026

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  • Address

    Goyang One Mount, 300, Hallyu world-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do, Republic of Korea

  • Contact

    1566-2232

  • Facilities

    Baby chair, Nursing room, Diaper changing table, Parking

  • Reservation

    Both advance reservations and same-day visits are available

  • Open/Closes

    Mon10:00 ~ 17:00
    TueRegular closed day
    WedRegular closed day
    Thu10:00 ~ 17:00
    Fri10:00 ~ 17:00
    Sat10:00 ~ 19:00
    Sun10:00 ~ 19:00

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Popular Ages of One Mount Water Park

One Mount Water Park is
popular to from 24 to 48 months boys

under 12 months

from 12 to 24 months

from 24 to 48 months

over 48 months

  • boys

    58%

  • girls

    42%

Prices & Programs of One Mount Water Park

  • [Fees]
  • All-day pass - 32,900 won to 37,900 won
  • Multi-person pass - 111,000 won to 146,000 won
  • Unlimited season pass - 129,000 won to 299,000 won
  • Free for children under 36 months
  • These prices are based on Naver and may vary by social commerce site, season, and option.
  • [Visitor Information]
  • What to bring - life jacket, aqua shoes, swimsuit/rash guard, hat, towel, shampoo, etc.
  • Indoor - bade pool, indoor spa, sauna bath, Giant Play, Speed Bang, Two Gel Ride, Toddler
  • Outdoor - Sky Boomerango, Colo Ride, outdoor spa, Everslide, Family, Lazy Pool
  • Please note that available attractions may vary depending on the season and operating conditions.
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Parenting Tips for One Mount Water Park

  • There is a large sauna, so you can shower comfortably after swimming.
  • Tube-style neck tubes cannot be used in the lazy river.
  • When moving indoors to the outdoor pool area, you need to go up 4 floors via slippery stairs, so aqua shoes are recommended.
  • If accompanied by a guardian of a different gender, there is a care service that helps escort the child to the guardian after changing clothes.
  • Swim caps, baseball caps, and headscarves are allowed, but sun caps are not allowed.
  • Please note that some attractions have height restrictions and I can do it now requirements.
  • On Naver, reservations are available at about a 40% discounted price, and 3-person and 4-person passes are slightly cheaper than buying individually.
  • The distance between indoor and outdoor areas is fairly long, so it is best to decide in advance which rides you want to use and plan your route.
  • It varies between weekdays and weekends, but in most cases the outdoor operating hours are shorter than the indoor hours.
  • Both indoor and outdoor bade pools are well equipped, so there are plenty of places for adults to relax as well.
  • The lazy river and wave pool are not too intense, so they are great for children to enjoy.
  • Towel rental is not available, so bring your own towel or purchase one in the changing room.
  • With a receipt, parking is free for 7 hours.
  • Parking area B16 is the closest to the water park entrance.

Onemount Water Park Introduction

This family-friendly water park is a great place to visit with your child, where you can enjoy water fun all year round. With both indoor and outdoor facilities, it is less affected by the weather, and one of its biggest strengths is the wide variety of things to enjoy for everyone from toddlers to adults.

Great points for visiting with kids

  • Indoors, there are kid-friendly play areas such as Toddler and Giant Play.
  • The lazy river and wave pool are not too intense, so they are relatively comfortable to enjoy with your child.
  • Children under 36 months enter free, which makes visits with very young children feel less burdensome.

Useful information for parents

  • Nursing room, diaper changing station, baby chair, and parking are available.
  • Stroller rental is not available, so if you need one, it is best to plan your movement in advance.
  • Towel rental is not available, so you should be sure to bring your own towel.
  • The stairs can be slippery when moving between indoor and outdoor areas, so bringing aqua shoes can make things safer.

Things to check before your visit

  • It is regularly closed on Tuesdays and Wednesdays.
  • Depending on the season and operating conditions, outdoor facilities or some rides may run differently.
  • Parking is free for 7 hours when you bring your receipt, and Zone B16 is closest to the entrance.

"Recommended as a great place where your child can have exciting water fun and parents can also relax in the spa and sauna."

FAQ about One Mount Water Park

  • Does Onemount Water Park have facilities that are good for visiting with kids?
    Yes. Indoors, there are kids' facilities such as the toddler pool and Giant Play, and the lazy river and wave pool are also relatively mild, making them good to enjoy with your child.
  • Can children under 36 months enter Onemount Water Park for free?
    Yes, children under 36 months can enter for free. However, it is a good idea to bring documents that can verify your child's age.
  • Does Onemount Water Park have a nursing room or diaper changing station?
    Yes. A nursing room, diaper changing station, and baby chair are available, so it is relatively comfortable to use when visiting with infants and toddlers.
  • Can you rent a stroller at Onemount Water Park?
    No. Stroller rental service is not provided. It is best to think through your route in advance and keep necessary items to a minimum.
  • What should I make sure to bring when visiting Onemount Water Park?
    It is a good idea to bring a swimsuit or rash guard, a hat, towels, aqua shoes, and a life jacket. In particular, towels are not available for rental, so you should be sure to bring your own towel or buy one on site.
  • What kind of hat should be worn at Onemount Water Park?
    Swim caps, baseball caps, and headscarves are allowed, but sun visors cannot be worn. It is a good idea to make sure both your child and accompanying adults bring hats they can wear.
  • What are the operating hours and regular closing days for Onemount Water Park?
    It is open from 10:00 to 17:00 on Monday, Thursday, and Friday, and from 10:00 to 19:00 on Saturday and Sunday. It is regularly closed on Tuesdays and Wednesdays. Outdoor facilities and some rides may operate differently depending on the season or conditions.
  • How does parking work at Onemount Water Park?
    You can use the parking lot in the Onemount building, and parking is free for 7 hours when you bring your receipt. The area closest to the water park entrance is B16.
  • Is Onemount Water Park easy to reach by public transportation?
    Yes. It is about a 15-minute walk from Juyeop Station on Subway Line 3. There are also elevators in the building, which may be helpful when heading to the entrance.

One Mount Water Park Address

Address: Goyang One Mount, 300, Hallyu world-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do, Republic of Koreaicon-copy-black

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How to make a reservation for One Mount Water Park?

Both advance reservations and same-day visits are available