Situated inside Hallyu World and KINTEX Land in Seo-gu, 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 floors above ground, for a total surface area of 161,600 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 Waterpark is the huge urban warter 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 m in x_height, a wave pool, an aqua waterplay facility, and a running-water pool. Water also regularly splashes throughout the park, adding an element of excitement.