Seoksangyegok Valley, located in Sorisan Mountain, is also known as Sorisangyegok Valley. The area is known for its crystal-clear water, where marsh snails can be caught, and its pure, unpolluted environment is evident by the countless fireflies visible in summer. The valley is quite lengthy and abundant in water, making it an ideal summer getaway spot. There are numerous resting areas near the valley, adding to its appeal for visitors.