La Vall de Boí is a municipality in the Alta Ribagorça region, the center of which is the Boí valley, which gives its name to the municipality. It is a set of valleys and mountain ranges in the north-eastern part of the region, of which it is the largest municipality, between the Valley of Barravés and the Vall Fosca. The head of the municipality is Barruera. From the Valley you can access the Aigües Tortes National Park and Sant Maurici Lake. It is necessary to mention the services facing the tourism derived from the declaration of the Romance churches by UNESCO.