Saint-Senoux
Saint-Senoux 
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The town hall of Saint-Senoux  | |
Location of Saint-Senoux  | |
| Coordinates: 47°54′24″N 1°47′11″W / 47.9067°N 1.7864°W | |
| Country | France | 
| Region | Brittany | 
| Department | Ille-et-Vilaine | 
| Arrondissement | Redon | 
| Canton | Guichen | 
| Intercommunality | Vallons de Haute-Bretagne | 
| Government | |
| • Mayor (2023–2026) | Maryline Lair | 
Area 1  | 18.29 km2 (7.06 sq mi) | 
| Population  (2022)  | 1,836 | 
| • Density | 100/km2 (260/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 35312 /35580  | 
| Elevation | 7–111 m (23–364 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Saint-Senoux (French pronunciation: [sɛ̃ sənu]; Breton: Sant-Senour; Gallo: Saent-Senór) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.