Seongsong-myeon

4.0 km at 8.5%

2.6 km at 10.1%

1.8 km at 6.9%

620 m at 10.7%

4.0 km at 8.5%

2.6 km at 10.1%

1.8 km at 6.9%

1.1 km at 3.6%