Ponggae-dong

330 m at 11.2%

540 m at 10.6%

590 m at 10.1%

500 m at 9.6%

520 m at 9.2%

2.4 km at 9.1%

4.2 km at 9.0%

360 m at 8.9%

780 m at 8.8%

1.1 km at 8.8%

420 m at 8.7%

2.1 km at 8.6%