When you reach the end of Cheonbuldong Valley, which begins in Seorak-dong, Sokcho-si, a waterfall appears with a roaring sound through the thick tree branches. This is Cheondang Falls, located about 7.8km away from Seorak-dong. From here, the sky becomes smaller and there are only rock forests and water around you, so you feel refreshed as if all the grime of the world has been washed away, and you even feel as if your body has become a part of nature.