Ercheu
| Ercheu | |
|---|---|
| Location of Ercheu | |
| Coordinates: 49°42′06″N 2°56′32″E / 49.7017°N 2.9422°E | |
| Country | France | 
| Region | Hauts-de-France | 
| Department | Somme | 
| Arrondissement | Montdidier | 
| Canton | Roye | 
| Intercommunality | CC Grand Roye | 
| Government | |
| • Mayor (2020–2026) | François Lamaire | 
| Area 1 | 14.15 km2 (5.46 sq mi) | 
| Population  (2022) | 754 | 
| • Density | 53/km2 (140/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 80279 /80400 | 
| Elevation | 58–95 m (190–312 ft) (avg. 70 m or 230 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Ercheu (French pronunciation: [ɛʁʃø]; Picard: Èrchu ) is a commune in the Somme department in Hauts-de-France in northern France.