Col du Portillon

Bossòst (Occitan pronunciation: [buˈsɔst]) is a small Pyrenean village and municipality located in the Aran Valley, province of Lleida, Catalonia, Northern Spain. Situated on the left bank of the river Garona, the village is bordered by Les, Vilamòs, Arres and France (by Bagnères-de-Luchon). The local football club, UE Bossòst, has the rare distinction of playing its regular matches in a 'foreign' competition (it plays in the French minor leagues).

The Arboretum de Jouéou (1.9 hectares), also known as the Arboretum Henri Gaussen, is an arboretum located on the Route de l'Hospice de France in Bagnères-de-Luchon, Haute-Garonne, Midi-Pyrénées, France. It opens daily. The arboretum was created 1921-1928 by Professor Henri Gaussen, and continues to be managed by the Jardin botanique Henri Gaussen of the Université Paul Sabatier in Toulouse. It contains 250 conifer taxa from around the world, of which 186 are naturally occurring and 64 hybrids and cultivars, organized systematically with American species to the west, and Mediterranean, central Europe, and Asia to the east. The garden is arranged in two sections: The botanical collection, in which each conifer species is represented by four individuals, containing over 100 species, mostly from North America and Eurasia. The collection of breeds and varieties, which compares side-by-side specimens of the same species but of different geographic origin.The arboretum has been recognized by the Conservatoire des Collections Végétales Spécialisées (CCVS) for its conifer collection.

Arres is a municipality in the comarca of the Aran Valley in Catalonia, Spain, close to the French border. The mayor is Pere Castet i Farré (CDA).

Montauban-de-Luchon (French pronunciation: ​[mɔ̃tobɑ̃ də lyʃɔ̃]; Gascon: Montauban de Luishon) is a commune in the Haute-Garonne department of southwestern France.

Saint-Mamet (French pronunciation: ​[sɛ̃ mamɛ]; Gascon: Sent Mamet) is a commune in the Haute-Garonne department in southwestern France.

Juzet-de-Luchon (French pronunciation: ​[ʒyzɛ də lyʃɔ̃]; Occitan: Judèth de Luishon) is a commune in the Haute-Garonne department in southwestern France.

Sode (French pronunciation: ​[sɔd]; Occitan: Sòda) is a commune in the Haute-Garonne department in southwestern France.

Es Bòrdes is a municipality in western Aran, Catalonia. It had 282 inhabitants as of 2022. The mayor is Rosa Mirat Marqués (UA). The municipality includes a small exclave to the west. It is located in the terçon of Irissa.

Les is a municipality in the comarca of the Aran Valley in Catalonia, Spain, close to the French border. The mayor is Andreu Cortés Labrid (UA).

Bagnères-de-Luchon (French: [baɲɛʁ də lyʃɔ̃]; Occitan: Banhèras de Luishon), also referred to as just Luchon, is a commune and spa town in the Haute-Garonne department in the Occitanie region of south-western France. The inhabitants of the commune are known as Luchonnais or Luchonnaises.The commune has been awarded three flowers by the National Council of Towns and Villages in Bloom in the Competition of cities and villages in Bloom.

The gare de Luchon is a railway station in Bagnères-de-Luchon, Occitanie, France. The station is the southern terminus of the Montréjeau–Luchon railway line. Due to the poor state of the Montréjeau–Luchon railway, operation of the line was suspended starting 18 November 2014, by SNCF and RFF only TER coaches now offer the Montréjeau–Luchon trip, As a consequence, the gare de Luchon is no longer operating.

Vilamòs is a municipality in western Aran, Catalonia. It had 172 inhabitants as of 2022. The mayor is Oriol Sala Sánchez (UA). It is located in the terçon of Irissa.