It covers the boroughs of Caso and Sobre Escobio and boarders with the Natural Park of Ponga to the East. It was declared a Natural Park in 1996 with the objective of maintaining the state and functionality of the ecosystems and the protection of species and their habitat. In 2001 it was declared an UNESCO world heritage site.
In total the park covers an area of 377 Km2 and its altitudes range from 360 m2 to 2,022 m2. The environmental richness of the Park of Redes can be seen in its variety of landscapes and contrasts. There are glacial formations such as moraines and cirques, karstic forms in caves and sinkholes, huge grasslands, hills and tick forests. Wooded areas cover 40% of the territory of Redes. The action of rivers has resulted in the creation of open valleys forming large "vegas" (fertile plains) in their bottoms and impressive limestone defiles such as the one of the river Alba or that of the Arrudos.
All the characteristic species of north Spain can be found in the Redes Park; brown bears roaming from the Piloña beech forests in the Ponga Park or wolves that abound throughout Redes with stable zones for their litters. There are also large populations of dear and chamois. The splendid capercailles, Egyptian vultures, golden eagles and a wide variety of other birds and reptiles benefit from the excellent preservation of the park.
Beech groves are the prevailing wooded areas in Redes, although these groves contain a high number of white oak trees. Its forests, fragmented by grasslands and shrubby areas are the most interesting in the high basins of the Nalón River. The beechnut is a part of the food eaten by the valuable fauna of the park of Redes. Scattered throughout the territory, there are ash trees, yews, birch trees and holly trees. In the high mountain there are common juniper shrubs, with bearberries on calcareous rocks and heather and bilberries in the Silicon substrate.
Three of the most popular walks in the Redes natural Park are:
Ruta del Alaba (+/- 4 hours)
This walk starts at the hamlet of Soto de Agues 5 kms form Rio Seco.
This is a relatively easy and flat walk running parallel to the River Alba
Desfiladero de los Arrudos (+/- 5 ½ hours)
This walk starts from Caleao.
A slightly harder more demanding gorge walk
Bezanes to Brañagallones (+/- 5 ½ hours)
This walk climbs up a track from the village of Bezanes to the meadows of Brañagallones in the site of an old glacial lake.
Major road access to the Redes Natural Park is via the AS 17 Avilés to Puerta de Tarna (parallel to the Nalón river) and from the local road AS 254 Infiesto to Campo de Caso.