Magdalena River

The Magdalena River is the most important river in the western part of Colombia. It has a length of 1,538 kilometres (956 mi). Its course is from south to north. About 80 percent of the population of Colombia live on the banks of the river or one of its tributaries. Barranquilla, Colombia's biggest city, lies on the banks of the river. The river is navigable up to the city of Honda, about 1,000 kilometres (620 mi) upstream. At Honda, there are rapids. After these rapids, the river is navigable for another 240 kilometres (150 mi).