Chaeseokgang (Jeonbuk West Coast National Geopark)
Jeonbuk State, Buan-gun, Byeonsan-myeon, Byeonsanhaebyeon-ro 1
Chaeseokgang is a cliff of sedimentary rock called the Gyeokpo-ri Formation, built up through marine erosion since the Cretaceous period about 70 million years ago. Its layers alternate between congl…