Which park in Spain is bigger Guadarrama National Park or Atlantic Islands of Galicia National Park?
Guadarrama National Park Sierra de Guadarrama National Park (in Spanish: "Parque Nacional de la Sierra de Guadarrama") is a national park in Spain, covering nearly 34,000 hectares, the fifth largest in Spain's national parks system. The Guadarrama mountain range ("Sistema Central") contains some ecologically valuable areas, located in the Community of Madrid and Castile and León (provinces of Segovia and Ávila). The law that regulates the recently approved national park was published in the BOE in  26, 2013 (2013--) .
Sálvora Sálvora is a small island located on the Ría de Arousa, coast of Galicia, Spain. It belongs to the municipality of Santa Uxía de Ribeira and is integrated in the Atlantic Islands of Galicia National Park. It is separated from the mainland by a distance of about 3 kilometers to the north. It occupies about 190 hectares and has a maximum height of 71 meters ("As Gralleiras"). Almost the entire perimeter of the island is rocky but has three beaches of fine white sand. Since 2001 it has been integrated into the Atlantic Islands of Galicia National Park.