Alins is a municipality in the comarca of the Pallars Sobirà in Catalonia, Spain. It adjoins France and Andorra. It covers the valleys of the Noguera de Vallferrara and Tor rivers in the north of the comarca. The Pica d'Estats (3142 m, the highest point in Catalonia) is part of the Montcalm Massif on the frontier between this municipality and Ariège, France. A local road links the municipality with the L-504 road.