Which spanish national park extends into more communities:  The Picos de Europa National Park or Garajonay National Park
Picos de Europa National Park:  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. Garajonay National Park:  It occupies 40 km (15 sq mi) and it extends into each of the six municipalities on the island.
i don't know