Pleta Bona Apartments. We have 54 high mountain apartments in the heart of the Vall de Boí, in Pla de la Ermita at 1, 600 meters of altitude. It is located in a unique and privileged environment just 8km from the Boí Taüll ski resort and the Aigüestortes National Park, it is also fully accessible to the Romanesque complex of this spectacular valley.