T’ongch’ŏn-ŭp

480 m at 13.1%

1.0 km at 12.9%

650 m at 12.6%

1.9 km at 12.6%

1.1 km at 12.1%

480 m at 11.4%

480 m at 11.2%

8.6 km at 10.4%

1.7 km at 10.0%

980 m at 9.5%

580 m at 9.1%

610 m at 8.6%