The Holidays: The Whitewater Challenge In Indonesia | Alas River. Alas River flows directly into the Indian Ocean; it's exceptional rapids that attract whitewater rafting enthusiasts for everywhere the world. Situated at 165 km southeast from Takengon, Alas River cuts through Mount Leuser National Park.
This area is extremely common among the young and adventurous. The sharp bends and plenty of rapids are troublesome to white-water rafters.