Saint-Bonnet-le-Château
Saint-Bonnet-le-Château 
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Tower of the collegiate church of Saint-Bonnet  | |
Location of Saint-Bonnet-le-Château  | |
| Coordinates: 45°25′28″N 4°04′01″E / 45.4244°N 4.0669°E | |
| Country | France | 
| Region | Auvergne-Rhône-Alpes | 
| Department | Loire | 
| Arrondissement | Montbrison | 
| Canton | Saint-Just-Saint-Rambert | 
| Intercommunality | CA Loire Forez | 
| Government | |
| • Mayor (2020–2026) | Patrick Ledieu | 
Area 1  | 1.87 km2 (0.72 sq mi) | 
| Population  (2022)  | 1,457 | 
| • Density | 780/km2 (2,000/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 42204 /42380  | 
| Elevation | 779–952 m (2,556–3,123 ft)  (avg. 860 m or 2,820 ft)  | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Saint-Bonnet-le-Château (French: [sɛ̃ bɔnɛ l(ə) ʃɑto]; Occitan: Sant Bonet dau Chastèl) is a commune in the Loire department in central France.