Question: What is the only national park located in the autonomous community of Galicia, Spain, Atlantic Islands of Galicia National Park or Picos de Europa National Park?
Context: The Lakes of Covadonga (el.  1134 m.) are composed of two glacial lakes located on the region of Asturias, Spain.  These lakes, often also called Lakes of Enol or simply Los Lagos, are Lake Enol and Lake Ercina located in the Picos de Europa range and they are the original center of the Picos de Europa National Park, created in 1918. Tobes is one of eight parishes (administrative divisions) in Peñamellera Baja, a municipality within the province and autonomous community of Asturias, in northern Spain.  It is located in the Picos de Europa National Park. 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. Lake Enol is a small highland lake in the Principality of Asturias, Spain.  It is located in the Picos de Europa Western Massif, Cantabrian Mountains.  It is next to Lake Ercina and together, they form the group known as Lakes of Covadonga, inside the Picos de Europa National Park.  Lake Enol is the larger of the two.  It is situated approximately 10 km from Covadonga and 25 km from Cangas de Onís.  A curving road is available from Arriondas to the lake.  Measuring 0.1 km2 , it is one of the biggest lakes in the area.  Lake Enol is situated 1070 m above sea level, in the Picos de Europa).  It was formed by the withdrawal of a front glacier. The Naranjo de Bulnes (known as Picu Urriellu in Asturian) is a limestone peak dating from the paleozoic era, located in the Macizo Central region of the Picos de Europa, Asturias (Spain).  Its name "Picu Urriellu" is believed to be derived from the term "Los Urrieles" which is used to describe the Macizo Central.  Naranjo de Bulnes is part of the Cabrales region of Asturias, and lies within the Picos de Europa National Park. The Atlantic Islands of Galicia National Park (Galician: "Parque Nacional das Illas Atlánticas de Galicia" , Spanish: "Parque Nacional de las Islas Atlánticas de Galicia" ) is the only national park located in the autonomous community of Galicia, Spain.  It comprises the archipelagos of Cíes, Ons, Sálvora and Cortegada.  The park covers a land area of 1200 ha and a sea area of 7200 ha .  It is the tenth most visited national park in Spain.  It was the thirteenth national park to be established in Spain. Trescares is one of eight parishes (administrative divisions) in Peñamellera Alta, a municipality within the province and autonomous community of Asturias, in northern Spain.  It is located in the Picos de Europa National Park. The Picos de Europa National Park (Spanish: "Parque Nacional de Picos de Europa" ) is a National Park in the Picos de Europa mountain range, in northern Spain.  It is within the boundaries of three autonomous communities, Asturias, Cantabria and Castile and León, which are represented on the body which runs the park. Oceño is one of eight parishes (administrative divisions) in Peñamellera Alta, a municipality within the province and autonomous community of Asturias, in northern Spain.  It is located in the Picos de Europa National Park. Lake Ercina is a small highland lake in Asturias, Spain.  It is located in the Picos de Europa, in the Cantabrian Mountains.  Situated next to Lake Enol, together, they forms the group known as Lakes of Covadonga within the Picos de Europa National Park.  Lake Ercina is smaller than Lake Enol.  It is situated at an altitude of 1108 m and its maximum depth is just over 2 m .  The eutrophic lake, covers approximately eight hectares.  Its characteristics are tied to its glacier origin and geographic location.
Answer: Atlantic Islands of Galicia National Park