If you need to take a rest from checking things off your to-do list, get some fresh air and sunshine at Lakes of Covadonga. Bring a picnic or a book ... This is the place to unwind!
This body of water is located in Picos de Europa National Park. Once you've seen everything you want to at Lakes of Covadonga, consider visiting nearby Basilica de Santa Maria la Real de Covadonga, Museum of Covadonga, and La Mina de Buferrera.