K-26 Practical Diving Pool, located in Gapyeong-gun, Gyeonggi-do, is an indoor diving pool where you can enjoy freediving all year round with the best depth and best technology in Asia. The pool depth is 26m. The pool on the 10th floor of an apartment complex is the deepest in Asia, and is very popular as a diving training center as it has open water with a depth of less than 10m. The water temperature is maintained at 28℃ all year round, and underwater CCTV is in place to prepare for any accidents, so you can enjoy safe freediving.