Located inside the Hanhwa Resort Complex, this water park and oncheon was the first one built in Seoraksan. The pools here are filled with mineral water from Cheoksan. In addition to the usual water park facilities, there is also a theme park with water rafts and body slides. There are plenty of soaking and sauna facilities as well. Tip: Go after 6pm. You'll get a discount and 3 good hours of soaking.