Myŏngch’ŏn

440 m at 15.5%

510 m at 14.9%

1.3 km at 10.4%

340 m at 10.1%

380 m at 10.0%

870 m at 9.9%

1.8 km at 9.9%

1.1 km at 9.9%

1.5 km at 9.3%

320 m at 9.2%

3.2 km at 8.8%

2.4 km at 8.6%