Le Tronchet, Ille-et-Vilaine
Le Tronchet 
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The church in Le Tronchet  | |
Location of Le Tronchet  | |
| Coordinates: 48°29′13″N 1°50′07″W / 48.4869°N 1.8353°W | |
| Country | France | 
| Region | Brittany | 
| Department | Ille-et-Vilaine | 
| Arrondissement | Saint-Malo | 
| Canton | Dol-de-Bretagne | 
| Intercommunality | CA Pays de Saint-Malo | 
| Government | |
| • Mayor (2020–2026) | Pascal Briand | 
Area 1  | 11.35 km2 (4.38 sq mi) | 
| Population  (2022)  | 1,204 | 
| • Density | 110/km2 (270/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 35362 /35540  | 
| Elevation | 13–79 m (43–259 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Le Tronchet (French pronunciation: [lə tʁɔ̃ʃɛ]; Breton: Ar Granneg) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.