Baix Maestrat (Valencian pronunciation: [ˈbajʒ maesˈtɾat], Spanish: Bajo Maestrazgo) is a comarca in the province of Castellón, Valencian Community, Spain.
Coordinates: 40°28′15″N 0°28′29″E / 40.47083°N 0.47472°E / 40.47083; 0.47472
Baix is a French commune in the Ardèche department in the Rhône-Alpes region of southern France.
The inhabitants of the commune are known as Baixois or Baixoises.
Baix is located some 30 km south by south-west of Valence and 25 km north-east of Aubenas. Access to the commune is by the D86 road from Le Pouzin in the north which passes through the commune and the town and continues south to Cruas. The D22 branches off the D86 just inside the northern border of the commune and goes west to Chomérac. The commune is mostly forested but with farmland in the north-western third of the commune.
The Rhône river forms the eastern border of the commune and the department as it flows south however there is no crossing point in the commune. The nearest crossing point is at Le Pouzin 5 km north. Numerous streams rise in the commune and flow east to the Rhone including La Payre, the Ravin de Roux, the Ravin de Saint-Pierre, the Ruisseau de Notre-Dame, the Ravin de Besset, the Ruisseau de Cournairet, the Ruisseau de Sainte-Euphémie, with the Ruisseau de Sichier forming the southern border of the commune.