Cano Cristales

This rainbow-colored river is called The River of Five Colors and The Most Beautiful River in the World. It’s located in the Serrania de la Macarena and features various colors such as red, yellow, green, and blue produced by the algae.

source: asusta2.com.ar

Celeste River

Located in Tenorio Volcano National Park of Costa Rica, this river boasts an amazing distinct turquoise color. The color is said to be caused by a chemical reaction.

source: worldfortravel.com

Drina

Measuring 346 kilometers long, this river is considered one of the most beautiful rivers in Serbia. It features a green hue and forms most of the border between Bosnia and Herzegovina and Serbia.

source: theworldgeography.com

Hwang Ho

This river is the second-longest river in China and the sixth in the world. It features a yellow color because of its muddy water in the lower course of the river.

source: vinogradskij.blogspot.com

Rio Negro

The largest blackwater river in the world, Rio Negro features not exactly a black color, but a hue that’s similar to that of strong tea. The color comes from humic acid.

source: matuete.com

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