Rainbow River is unique in Columbia

Cano Cristales is one of the greatest rivers in the world, referred to by different names such as "Shining River", "Rainbow River" or "river from heaven."
Cano Cristales is a river in Colombia, located in National Park Serrania de la Macarena in the city of La Macarena. These rivers provide unique biological features, is covered with colorful algae.
The river is normally no much difference compared to other rivers, is also a stone bed covered with a dull moss green, which can be seen beneath the riverbed. However, in a short period of the year, particularly during the wet season and dry season when the river's water level is stable, a booming river sprawling proliferation of algae, turning the River into a strip of soft rainbow of amazing live.
Prescribed river flow of sunlight to the algae and in the rainy season, it keeps the sun down to the river bottom while the dry season, the water is too shallow difficult to maintain the life of aquatic species characteristics especially algae, moss. But the interference between the rainy and dry conditions are ideal for life in the river Cano Cristales development. During this time, the whole river was covered by a variety of different colors, blue, green, red, yellow and numerous other color insert in the middle of the main colors of this. But one thing is regrettable that this colorful miracle lasted only a few days between rainy and dry seasons. Capture stunning can only follow the law of the weather between the two seasons.
For years, the attractions were closed for tourists due to military activities in the region, along with concerns about traffic impacts of uncontrolled tourism. But in 2009, the area was reopened to visitors, and today there are some travel agencies open up Colombia flights bringing tourists to the city of La Macarena.
From the city of La Macarena, visitors can choose to move their different ways, such as horseback riding, trick riding or walking under the help of tour guides visitors access to national parks Serrania de la Macarena, where the river Cano Cristales hiding, 20m wide and 100m long. There are things that visitors can tour all day but was not allowed to stay overnight or cook anything. The park is especially prohibited noise as well as the litter in any form.
Shimmering colors of the rainbow in the river: