The Sierra y Cañones de Guara Natural Park is a Spanish Natural park in the Sierra de Guara mountain range, located in the Province of Huesca, Aragon, northern Spain. It was established in 1990.GeographyThe nature park covers an area of about 47,450 hectares, not including a peripheral zone of protection that also covers 33,775 hectares.The park covers the Spanish municipalities of:Abiego, Adahuesca, Aínsa-Sobrarbe, Alquézar, Arguis, Bárcabo, Bierge, Boltaña, Caldearenas, Casbas de Huesca, Colungo, Huesca, Loporzano, Nueno and Sabiñánigo.The altitude of the park ranges from 430m at the Alcanadre River to 2077m at the summit of Tozal of Guara.