The Sanmagi-yetgil Trail is a 4 kilometer-long old path connecting Saorang Village to the mountain village Sanmaki. Restored by retracing the old path, Sanmagi-yetgil is a great walking trail passing by mountains, streams, and forests. Most of the path is outfitted with a wooden deck in a eco-friendly method to minimize damages to the environment and to maintain the natural look. The surrounding beauty is recognized as the best scenic view of Goesan. The natural ecosystem around Goesan Dam has been preserved in its original state.