Question: Which national park, Picos de Europa National Park or Ordesa y Monte Perdido National Park, is found in Northern Spain?
Sentence (from "Ordesa y Monte Perdido National Park"): Ordesa y Monte Perdido National Park (Parque nacional de Ordesa y Monte Perdido) is an IUCN Category II National Park situated in the Pyrenees of Huesca province, Aragon, Spain.
Relevant evidence: Yes