North Sumatra, Asahan River, Rafting
This river is very challenging for whitewater rafting. With the speed of the river flow reaches 20 cubic meters per second, and within the grade 4 – to 5 +, making the river is often used as a match rafting international and national levels. Asahan River touted as the third best whitewater rafting in the world, after the Zambesi in Africa and the Colorado River in the United States. Forded a river along the 22 kilometers starting from the village of Stairs.