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--) .
Llanos de Challe National Park Llanos de Challe National Park is located on the Pacific coast of the Atacama Region, Chile. The park's mountains are moistened by the Camanchaca, creating a fog and mist-fed ecosystem called lomas (Spanish for "hills."). The park is one of the southernmost locations of the lomas which are scattered along the coastal desert from northern Chile to northern Peru. The highest elevation in the park is "Cerro Negro" at 950 m.