Cailhau
| Cailhau | |
|---|---|
| The church and surroundings in Cailhau | |
| Location of Cailhau | |
| Coordinates: 43°08′52″N 2°08′14″E / 43.1478°N 2.1372°E | |
| Country | France | 
| Region | Occitania | 
| Department | Aude | 
| Arrondissement | Limoux | 
| Canton | La Piège au Razès | 
| Government | |
| • Mayor (2020–2026) | Bernard Ragnère | 
| Area 1 | 9.76 km2 (3.77 sq mi) | 
| Population  (2022) | 250 | 
| • Density | 26/km2 (66/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 11058 /11240 | 
| Elevation | 195–346 m (640–1,135 ft) (avg. 221 m or 725 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Cailhau (French: [kajo] ⓘ; Occitan: Calhau) is a commune in the Aude department in southern France.