The inhabitants of the commune are known as Besplasois or Besplasoises.[4]
Geography
La Bastide-de-Besplas is an old Bastide in the Massif de Plantaurel some 50 km south by south-west of Toulouse and 20 km west by north-west of Pamiers. Both the northern and southern borders of the commune are the departmental border with Haute-Garonne. Access to the commune is by the D628 from Montesquieu-Volvestre in the north-west which passes through the centre of the commune and the village and continues south-east to Daumazan-sur-Arize. The D326 branches off the D628 in the commune and goes north to join the D408 north of the commune. The commune is mostly farmland interspersed with some forest.[5][6]
The Arize river flows through the centre of the commune and the village flowing from south-east to north-west where it continues to join the Garonne at Carbonne. The TaiVades stream rises in the north of the commune and flows north-west forming part of the northern border before joining the Arize on the commune border. The Ruisseau de Bergou forms the south-eastern border as it flows south-west to join the Arize. The Ruisseau d'Argain forms the southern border of the commune as it flows east to join the Arize in Daumazan-sur-Arize commune.[5][6]
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