Sungai Koyan

620 m at 16.2%

750 m at 15.9%

360 m at 15.4%

340 m at 12.6%

660 m at 12.2%

630 m at 11.9%

1.4 km at 10.8%

980 m at 10.1%

1.3 km at 9.6%

530 m at 9.4%

700 m at 9.3%

790 m at 8.9%