Both rivers draw up deep precipices in the limestone mountain ranges that cross before arriving at the dam of the Tranquera.
This is a zone with abundant bath.
In Defiles of Calmarza it inhabits one of the greater concentrations of vultures leonados of the Iberian Peninsula. The persistence still of otters demonstrates the purity of its waters.
This river forms spectacular cascades in the Piedra Monastery, that are admired by thousands of travellers.

They are possible to be found rapaces in the rocky thing.
Also Aragon enjoys a diverse and varied Nature where passing by plants, animals, Geology, or landscapes we can arrive at a fantastic bestiary that lives in its monuments.
The information will not be complete without a stroll by its three provinces, with shutdown in some of its spectacular landscapes like Ordesa, the Moncayo, Monegros or by opposition the Ebro.
Also you can dedicarte to the intangible ones: from the legend compilation that also does to universal Aragon.
Fauna |
Flora |
Geology |
Fungi |
Water
Landscapes |
Monegros |
Moncayo |
Ebro |
Ordesa
Bestiary |
Books |
Buffon |
Activities |
Culturales |
Zh2o |
Photografies
Document |
Nature in Aragon
The "Naturaleza de Aragon" project is an extension of the Aragón project is like that, and tries to collect and relate all possible types of documentary information about Aragon: texts, books, articles, maps, illustrations, photographs, narrations, etc., and proceed to its publication and diffusion.
Rivers Mesa and Piedra. Natural Protected Spaces in Aragon. Mountains, rivers. Beech, Bears, Capercaillie, Trouts, newts, Vertebrates, Animal kingdom, plants, fungi, landscapes, protected areas, Fauna, zoology, ecology, Water, humidity, stone, earth, air, food
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