Lignières-Châtelain
| Lignières-Châtelain | |
|---|---|
| The church in Lignières-Châtelain | |
| Location of Lignières-Châtelain | |
| Coordinates: 49°46′32″N 1°51′49″E / 49.7756°N 1.8636°E | |
| Country | France | 
| Region | Hauts-de-France | 
| Department | Somme | 
| Arrondissement | Amiens | 
| Canton | Poix-de-Picardie | 
| Intercommunality | Somme Sud-Ouest | 
| Government | |
| • Mayor (2020–2026) | Hubert Avet | 
| Area 1 | 6.54 km2 (2.53 sq mi) | 
| Population  (2022) | 344 | 
| • Density | 53/km2 (140/sq mi) | 
| Demonym(s) | Ligniérois, Ligniéroises | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 80479 /80290 | 
| Elevation | 186–209 m (610–686 ft) (avg. 195 m or 640 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Lignières-Châtelain (French: [liɲjɛʁ ʃɑtlɛ̃]; Picard: Lignère-Catelain) is a commune in the Somme department in Hauts-de-France in northern France.