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Important explanation of geology

A table-bench combination in the shade of the forest.

Of the Romanesque churches in the Vall de Boí, this is one of the most beautiful. The original frescoes are in the museum, as always. Here they are digitally reconstructed and projected onto the walls. In addition, there is a very interesting digital reconstruction of the original artwork.

Sant Esteve de la Sarga is a beautiful 11th century Romanesque church located in the town of the same name.

This port connects the Noguera Ribagorzana river basin with the Sis valley and the Isábena basin, right on the border between Catalonia and Aragon. From Bonansa, the pass is a little over six kilometers long, with a fairly constant average drop of around 7%. Its other slope, the one that follows the Obarra gorge until it crowns the port, is much longer. It is 15 kilometers long, but it is very flat, with percentages around 3%, until it practically reaches the top, where the last two kilometers present considerable unevenness, with ramps of more than 15%.

The port of Bonansa is located at an altitude of 1,380 meters, in an open area from which you can see the panorama of the surrounding mountains. The climb is demanding, but worth it.

Castejón de Sos is a fairly large Ribagorza municipality, compared to the small population centers that exist in the surroundings. It has hotels, supermarkets, restaurants and a pharmacy. It is very close to the Ventamillo Gorge, an imposing canyon crossed by the Ésera River.

The port of Bonansa is located at an altitude of 1,380 meters. On one side of the pass is the town of Bonansa, and on the other, an extensive pine forest that marks the beginning of the descent to the Obarra gorge.