Castelnau-Montratier is a former commune in the Lot department in south-western France. On 1 January 2017, it was merged into the new commune Castelnau-Montratier-Sainte-Alauzie, which was renamed Castelnau-Montratier effective 2024.
Elevation: 108–295 m (354–968 ft) · (avg. 248 m or 814 ft)