It is also famous as the Jeongseon 5-day hiking course. When you climb through the pine forest of Seongbulsa Temple on a hiking trail of about an hour and a half from downtown Jeongseon and reach the top, the town locations of Bongyang-ri, Buksil-ri, and Aesan-ri spread out below the mountain as if you were on an airplane, and Bibongsan Mountain (620m) with Gariwangsan Mountain on its back. ) is shaped like a phoenix flapping its wings, and the county seat feels cozy as if it were in a bird's nest. When viewed from the direction of Buksili, it is shaped like a topknot, so it is also called Sangtubong.