Ganghwa-eup

810 m at 14.8%

1.0 km at 10.8%

520 m at 11.8%

1.2 km at 7.2%

2.0 km at 3.3%

1.9 km at 3.4%

1.3 km at 6.7%

1.3 km at 6.9%