Columnar joint created as lava is cooled is generally divided into three parts. It is divided into upper colonnade, entablature, lower colonnade and the shapes and sizes vary depending on the speed that lava is cooled in each position. The entablature part in the center is characterized by a radial shape due to the mixture of upper and lower joints.
In Meonguri Gorge, the cliff formed like this appears over approximately 4km and the height of the cliff is developed as about 30~40m. Since currently a variety of trekking courses are created such as Hantan River Dulle-gil around Meongurigorge, you can enjoy the spectacular views of Meonguri Gorge while breathing fresh air of the Hantan River.