Reference: www.heritage.go.kr/heri/cul/culSelectDetail.do?ccbaCpno=1353900830000&pageNo=1_1_1_1
Marvel at blessed landscapes
It is the highest Oreum on Jeju Island and can be reached via the Hallasan Seongpanak Trail. During the rainy season, water collects in a crater about 250 m deep, forming a clear lake that reflects the sky, and in the winter, the lake is known for its beautiful snowy scenery.