Seongnam-myeon

380 m at 15.7%

3.4 km at 4.9%

650 m at 11.0%

2.2 km at 5.9%

3.4 km at 4.9%

2.7 km at 4.5%

2.7 km at 3.3%

2.2 km at 5.9%