Caño Cristales (Colombia) The river appears in many hues–including yellow, green, blue, black, and especially red–which are caused by the Macarenia clavigera (Podostemaceae) at the bottom of the river.
I've been on top of this rock! La Piedra Del Peñol, Spanish for "The Rock of Guatapé", also known as El Peñol Stone or simply as La Piedra is a massive rock located in the town and municipality of Guatapé, in Antioquia, Colombia.
The Most Colorful River in The World - The Cano Cristales, one of the most beautiful rivers in the world is located near La Macarena Colombia. Often called the river of five colours which include green, blue, black, red and yellow. A touch of paradise!