Bas-Armagnac is one of the three plantation areas

Terroir

Terroir comes from the word terre "land". It was originally a French term in wine, coffee and tea used to denote the special characteristics that the geography, geology and climate of a certain place bestowed upon particular varieties...

 in the Armagnac

Armagnac (region)

The hilly countship of Armagnac , in the foothills of the Pyrenées between the Adour and Garonne rivers, is a historic countship of the Duchy of Gascony, established in 601 in Aquitaine...

 area where grapes for the distillation of the Armagnac

Armagnac (drink)

Armagnac is a distinctive kind of brandy or eau de vie produced in the Armagnac region in Gascony, southwest France. It is distilled from wine usually made from a blend of Armagnac grapes, including Baco 22A, Colombard, and Ugni Blanc, using column stills rather than the pot stills used in the...

 eau-de-vie can be cultivated. It extends over the Landes and Gers

Gers

The Gers is a department in the Midi-Pyrénées region in the southwest of France named after the Gers River.Inhabitants are called les Gersois or Gersoises.-History:...

 departments and represents 57% of the vineyard

Vineyard

A vineyard is a plantation of grape-bearing vines, grown mainly for winemaking, but also raisins, table grapes and non-alcoholic grape juice...

s. It lies in the west, beside Armagnac-Ténarèze

Armagnac-Ténarèze

Armagnac-Ténarèze, one of the three terroirs in the Armagnac region where grapes for the distillation of the Armagnac eau-de-vie can be cultivated. This area lies between Bas-Armagnac and Haut-Armagnac, covering the northwestern part of the department of Gers and the southern part of Lot-et-Garonne...

, an undulating area; the grapes grow in acidic, argillaceous and stony ground. Iron rust colors parts of the soil and these spots are called ’’sables fauves’’. Major towns in the Armagnac region include Eauze

Eauze

Éauze is a commune in the Gers department in southwestern France.-History:Éauze takes its names from the Gaulish Aquitani tribe of the Elusates....

, Cazaubon

Cazaubon

Cazaubon is a commune in the Gers department of southwestern France.Besides the town of Cazaubon itself, the commune includes the adjacent spa town of Barbotan-les-Thermes.-Population:-References:*...

 and Nogaro

Nogaro

Nogaro is a commune in the Gers department in southwestern France.-Population:-References:*...

.