Hongch’ŏn

390 m at 25.4%

1.5 km at 17.4%

1.5 km at 17.1%

340 m at 16.3%

1.1 km at 16.2%

480 m at 16.2%

640 m at 16.2%

680 m at 16.1%

470 m at 15.7%

1.8 km at 15.6%

1.5 km at 15.5%

1.1 km at 14.5%