Panghyŏn-dong

430 m at 14.0%

510 m at 12.2%

890 m at 11.8%

310 m at 11.8%

320 m at 10.8%

800 m at 10.2%

790 m at 9.2%

1.3 km at 9.0%

310 m at 9.0%

1.1 km at 8.4%

700 m at 8.1%

660 m at 7.7%