Viewpoint of Formigal Nature · Sallent de Gállego, Alto Gállego, Huesca Viewpoint over the Formigal ski resort, in the municipal area of Sallent de Gállego. From here some of the main peaks of the Aragonese and French Pyrenees can be seen, such as the Midi d'Ossau, the Balaitus and the Picos del Infierno. Photo: Guimir (Public domain) What to see and do in Sallent de Gállego