It's a hostel for hiker and climbers near Soto de Sajambre in the Picos de Europa. You can only get there by foot - it's about an hour from the nearest village. Right in the heart of the Picos de Europa National Park with has some of the most stunning views of the surrounding mountains. It's set beside some mountain pastures and in between centuries old beech and oak woodland. The facilities are simple - shared dormitories and probably best to take your own food but definitely worth it as the views are out of this world.
For the location: maps.google.com/?q=43.166046,-5.005045
For the views: www.mallorcaweb.net/estebanmk/SantaCastilla/SantaCastilla002.jpg
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