Alquézar is a municipality in the province of Huesca, in the autonomous community of Aragon, Spain. In 2004, it had a population of 309. Situated on a limestone outcrop of Eocene age to the west of the canyon of the Rio Vero river in the Sierra de Guara national park, the village has grown around a castle (alcázar) and the Colegiata de Alquézar of Santa Maria (consecrated in 1099). The limestone is rich in nummulites (large foraminifera) from the shallow marine depositional environment.
Since Alquézar is situated in the Sierra de Guara National Park, there is much tourist activity in outdoor pursuits such as canyoning, walking, rock climbing and abseiling, as well as ornithology (since eagles nest on the steep faces of the Rio Vero canyon). Several campsites and outdoor activity companies cater for this interest.© This article about tourism in Alquézar is provided by a external resource