축조방법은 막돌허튼층쌓기로 하부가 넓고 상부가 다소 좁은 형태로 넓은 곳은 1m 이상인 경우도 있다.
The construction method is Makdol rubble masonry, and the lower part is wide and the upper part is rather narrow. In some cases, it is more than 1m in large areas.