In Aragon, protected natural spaces are managed through the Red Natural de Aragón, an entity created in 2004 to protect all elements with ecological, landscape and cultural value and at the same time coordinate and establish common standards that contribute to their conservation and sustainable use. In this entity are integrated national parks, natural parks, nature reserves, biosphere reserves and other protected natural areas that have been declared by the autonomous community, the Ramsar Convention or the Natura 2000.

Within the protected areas is the only national park of Aragon: the Ordesa y Monte Perdido National Park, the second national park created in Spain, in 1918, it is found in the Pyrenees in the comarca of Sobrarbe, occupies an area of 15,608 ha, a part of the 19,679 ha of the peripheral area of protection. It also enjoys other figures of protection like the Biosphere Reserve of Ordesa-Viñamala and is catalogued as a World Heritage Site by UNESCO.

In addition there are other 4 natural parks: the Moncayo Natural Park with an extension of 11144 ha, the Sierra y Cañones de Guara Natural Park with 47453 ha and 33286 ha of peripheral area of protection, the Posets-Maladeta Natural Park with 33,440.6 ha and 5,920.2 ha of peripheral area of protection, and the Valles Occidentales Natural Park with 27,073 ha and 7,335 ha of peripheral area of protection.

There are also three nature reserves, five natural monuments and three protected landscapes.