Which National Park is older, Sierra Nevada National Park or Doñana National Park?
Sierra Nevada National Park (Spain): The Parque Nacional de Sierra Nevada (known as the Sierra Nevada National Park in English) is a national park located in the provinces of Granada, Almería, and Málaga in Andalusia, Spain. Sierra Nevada National Park (Spain):  It was declared a national park on 14 January 1999. Doñana National Park: Doñana National Park is a natural reserve in Andalusia, southern Spain, in the provinces of Huelva (most of its territory) and Seville. Doñana National Park:  It was established as a nature reserve in 1969 when the World Wildlife Fund joined with the Spanish government and purchased a section of marshes to protect it.
Doñana National Park