He is wildest, rustic and perhaps most beautiful of valleys of the Pyrenean one. It seems a place enchanted, worked by the gigantic effort of waters of Bellós river.
      From Escalona town, the highway of Añisclo runs next to the channel of the Bellós river. To the right it is the deflection of Puértolas; following it arrives at Puyarruego (of Puy Rúbeo that means "red little mountain"), village that is in a hill and that has fame by the medicinal waters which tone up the bronchi and epidermis (they appear in a thermal source of noneasy access, next to the river). By the left side, the river receives the Precipice of Arriel, that comes from the Forqueta and Tabacoy (division of Añisclo and Escuaín). The Tozal de Gallinero borders this village to 1.057 m. of height. The highway twists in strong walls of Bramapán (to the left) and the Minguasa (to the right) crossing Congosto de Cambras by one narrow cornice opened on the rock.
      The walls of the defile are very next, letting see solely a strip of the sky. The river, is narrowed and dislocated, jumping over enormous rough stones that obturate their channel. Taken hold to rocks, there are tea, siemprevivas (flowers) and bushes of póleo (another flowers) that smell mint.
      Near it's the Forato de Arpio, with the threshold of the cave, leaving a door and a low little window . Indicating land of wolves they are the Lobrica Cave and Cueva Lobrera; also the Cueva del Rector.
      The river continues boxed, like canalized, until the canyon is opened and the landscape becomes of mountains, with scrubs and barren uncultivated. The defile of the Cambras, finishes in the Bridge of San Úrbez, that indicates the proximity of the Añisclo Canyon. It miraculously seems hung in the wall of the precipice by individual stirrups. Today it is doubled by a new footbridge, mounted on concrete. The strongs walls of the Tozal of San Miguel and the one of the Sestrales Rock are already seen: the porch of the Añisclo Valley.
      The union of the Bellós with the Aso river is prodoubted here, in the place Ereta de Biés, near Molino de Aso. Next it is the Espelunca Mayor, a great grotto with threshold of 40 m. of wide by 12 m. of stop, and the well-known one like Cave of the Moors (30 xs 5 ms.) with 150 ms. of galleries after its ample lobby. This last has his legend, that speech of cruel and beautiful supernatural beings, who lived there, and of their materializations for the night of San Juán. These beliefs still persist in some places. supernatural beings The limit of the highway is next to the Cave of San Úrbez, a small opening to the foot of the Sestrales. In the landing that precedes it, there is an image of the Virgin of Lourdes. The grotto is closed by rubblework light walls; the ceiling is rock and the interior is made up of four natural hollows, communicated by a runner of about 12 ms., longer than high, who forces to pass bent them. In a niche, is the image of San Úrbez and throughout the runner, a bank carved on the rock, at which at dusk the Sun arrives precise.
      They tell that San Úrbez chose east site to keep his flocks, that the humidity of the place, are fruit of the tears that spilled this Sant.

     They conserve infinity of footpaths of the manifold processions that finished here.
      The crack of Añisclo, has about 30 km in length and is crossed by the river, from its birth in the snows of the Soum de Ramond, of the Mountain range of Custodia, the Three Marias and the Pacas. The wild beauty is surprising. The cascades are around the way and the wonders are marching past before the eyes of the visitor. The track finishes in the Bellós, next to the concrete stirrups of a footbridge; in ahead it is necessary to walk and the forest, thickens, the light arrives leaked by the vegetation, everything is humid and is many fungi and ferns, trees and more trees, squirrels, signs of wild boars and as soon as a fragment of sky sometimes.
      The Bellós river, penetrates in the narrows formed by cut strongs walls of the Hill of the Sestrales (heights of the 2,000 ms.), Vassones (2,130 ms.) and the Flaixins (2,092 ms.) in the right side; to the left: Punta Crespena (1,949 ms), Mondoto (1,962 ms), the Estiva (2,003 ms), Las Arenas (1,997 ms.) and the Mountain range of Custodia that limits with the Valley of Ordesa. The river has worked deep amount of fantastic forms, caves, great edges, gorgeous cascades, etc.....
      The torrent of the Forqueta, descends from the Corral of the Cows, of fast and resounding form. In another place, in the corner one of the Ripareta, the ravine of the Pardina spills its cold waters, gathered behind the Pueyo de Mondicieto (sentry of the way of Ordesa -2,382 ms -), to the Bellós.

      It's called Straits, to the passage of the Bellós from Punta Pardina to the Precipice of Capradiza, that comes from Mountain range Sierra Custodia in the presence of Mallo Oscuro. Behind this wall; the Precipice of Arrablo or of the White Source falls in the slopes of Soum de Ramond, Tower of Góriz, Morrón de Arrablo and Punta Custodia, by which it is thrown, in great cascade to the river. Next to White Fuen it is the Cave of the Grallera and above, in the circus, whose superior edges are crowned by the Col of Añisclo, - under the three Sorores -, a few streams are joined to form the Bellós river.


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