Val-de-Sos (French pronunciation: [val də sɔs]; Occitan: Val de Sòs) is a commune in the Ariège department in southern France.

The municipality was established on 1 January 2019 by merger of the former communes of Vicdessos (the seat), Sem, Goulier and Suc-et-Sentenac.

[3] The commune is structured by the Vicdessos valley, irrigated by the eponymous river, in the historic territory of Sabarthès.

It is part of the Ariège Pyrenees Regional Nature Park.

This Ariège geographical article is a stub.