Cúpula de Secús (7,943 ft or 2.421 m), the highest point in the Sierra de Secús range of northern Spain, is located in the Pyrenees mountains near Val d'Echo in Aragon. This elevated ridge formed from a thrust fault of Mesozoic limestones, shales and sandstones. The bottom photo shows an example of the deformed and folded rocks found here. Both photos taken from upper Aguas Tuertas (at an elevation of 5,900 ft or 1,798 m) on July 3, 2015.