For that reason, this point is known as El Tenidor, which means The Dyer in English.
Until very recently, scientist were unable to fully explain why Rio Celeste has such a distinctive turquoise coloration.
This is the mineral that is responsible for reflecting the blue color in sunlight.
The answer lies in the size of the particles.
Photo credit:Steve Corey/Flickr
The point where the two rivers mix.
See how the color changes abruptly.
