물길은 동양 최대의 유속인 11노트(20㎞)의 조수가 흐르며, 물소리가 크고, 거품 물이 용솟음쳐 배가 운항하기 힘든 곳이다.
The waterway is a place where the tide flows at 11 knots (20 km), the fastest flow rate in the East, and the sound of the water is loud with the bubbling water springing up, making it difficult for ships to navigate.