Alt Àneu () is a town and municipality in Pallars Sobirà county in Catalonia. It was created in 1970 as a result of the union of the former municipalities of Isil, Son, Sorpe, and Valencia d'Àneu, plus the addition of the Commonwealth of the Four Villages.
It is the largest municipality in Catalonia in terms of area at , with a population of . It is situated by the Noguera Pallaresa river, and is served by the C-13 road, which links it with county capital Sort and to the Aran Valley over the Port de la Bonaigua (2072 m). The ajuntament (town hall) is in València d'Àneu.
Subdivisions The municipality of Alt Àneu is formed by nine villages. Populations are given as of 2005: Alòs d'Isil (34) Àrreu (6) La Bonaigua (16) Borén (25), on the left bank of the Noguera Pallaresa Isavarre (25) Isil (85), in the upper valley Son (46) Sorpe (42) València d'Àneu (175), on the right bank of the Noguera Pallaresa
Demography It has a population of .
References
Bibliography Panareda Clopés, Josep Maria; Rios Calvet, Jaume; Rabella Vives, Josep Maria (1989). Guia de Catalunya, Barcelona: Caixa de Catalunya. (Spanish). (Catalan).
External links Official website Government data pages Cycling Routes in Alt Àneu