The Quebrada de Las Gachas < > It is called the "river of five colours" and for many it is the most beautiful, or at least the most colourful river in the world. We are talking about Caño Cristales. In the heart of Colombia and embedded in the mountain range La Macarena lies this natural wonder. In the second half of the year, the blooming algae (Macarenia clavigera) make this river shimmer in all the colours of the rainbow. But the department Meta is far away from good infrastructure...