"Waterfall" Rock Formations and Springs
The site consist of two waterfall-like rock formations which have been formed over thousands of years. Both cliffs rise over fifty meters from the valley floor, with one rock formation reaching down twelve metres and the other reaching down thirty metres. The twelve meter one is called "cascada chica" (small waterfall) and "flows" off a base which is about sixty metres wide. The other, "cascada grande" (large waterfall), extends down from a base with which is about ninety metres wide and eighty metres above the valley floor.
The rock formations are often described as "cascadas de sal" (salt waterfalls), "cascadas petrificadas" (petrified waterfalls) and "cascadas pétreas" (rock waterfalls) . The falls are formed by relatively small amounts of water which is oversaturated with calcium carbonate and comes to the surface through cracks or figures on the mountainside. The water has a temperature of 22 to 27C. As the water runs down the rock face, it forms large stalactites similar to those found in caves. The flow of water from the spring varies significantly between the dry and rainy seasons. 95% of the surface rock formations are of calcium carbonate; however, lower layers of both rock and water currents are little known as they are sealed by the above layers. The calcium carbonate gives the formations a white or near white appearance, but other minerals that can be present in the water, such as silver, barium and iron can also be found and determines the color of a particular stalactite. The calcium carbonate in the water is due to rainwater which passes underground. First it absorbs carbon dioxide, and forms molecules of carbonic acid. This acid comes into contact with underground marble and partially dissolves creating calcium bicarbonate. When the water runs above ground, the excess minerals fall out.
The waters, with their high mineral content, are reputed to have healing qualities.
The more easily accessible and more often visited of the two waterfalls is the "cascada chica," also called the Amphitheatre. This cliff rises over fifty metres above the valley floor, where there is a natural platform about sixty meters wide. This platform has four springs. The water from three of the four springs is captured by a number of small natural pools and two large artificial pools in which visitors can swim. The lower of the two pools is very close to the cliff edge and was built in 2007. In these pools, the water appears a turquoise green due to the mineral concentration. The fourth spring is located closest to the edge and responsible for most of the waterfall rock formation. Two of the four springs on the Amphitheatre side rise from the level floor and appear to bubble up, which is the source of the name. The bubbling action of these and some other springs is thought to occur due to construction of underground water currents. This bubbling action leads to the name of the area, Hierve el Agua (the water boils). Water constantly flows out of the springs and the process of depositing the calcium carbonate is ongoing, which can be seen on the walls of the artificial pools.
Trails lead from the cascada chica to the cascada grande, the valley floor and other areas in the vicinity. The cascada grande is just to the south of the cascada chica and easily visible from it. This waterfall rock formation is more vertical than the cascada chica. Similarly, it is a rock shelf from which flows mineral laden water over the side. This self is ninety metres above the valley floor, eighty metres wide with the waterfall extending down for about thirty metres. This self does not have artificial pools.
Read more about this topic: Hierve El Agua
Famous quotes containing the words waterfall, rock and/or springs:
“Just as a waterfall grows slower and more lightly suspended as it plunges down, so the great man of action tends to act with greater calmness than his tempestuous desires prior to the deed would lead one to expect.”
—Friedrich Nietzsche (1844–1900)
“And I tell you, you are Peter, and on this rock I will build my church...”
—Bible: New Testament, Matthew 16:18.
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—Victor Hugo (1802–1885)