The appellation, named after the city of Saint-Mont, lies north of the area Madiran in the south of the wine-growing region Southwest France, The former VDQS area was classified as AOC in 2011. The vineyards cover over 1,200 hectares of vineyards. Red wine and rosé are made from the varieties Tannat (60%), Fer (to 20%), Cabernet Sauvignon. Cabernet Franc and (only until 2020) Merlot blended. For the white wine, the varieties Arrufiac (to 20%), Courbu Blanc (to. 20%), as well Gros Manseng and Petit Manseng (max. 60%) used. Well-known producers are Domaine de Maouries and Producteurs Plaimont. In the community Sarragachies there is a very special vineyard with ancient vines or grape varieties.