Rieussec is a commune in the Hérault department in the Occitanie region in southern France. The Thoré has its source in the northern part of the commune.
Country: France
Region: Occitania
Area: 22.2 km² (8.6 sq mi)
Elevation: 314–860 m (1,030–2,822 ft) · (avg. 490 m or 1,610 ft)