Ponthion
| Ponthion | |
|---|---|
| The church in Ponthion | |
| Location of Ponthion | |
| Coordinates: 48°45′33″N 4°42′44″E / 48.7592°N 4.7122°E | |
| Country | France | 
| Region | Grand Est | 
| Department | Marne | 
| Arrondissement | Vitry-le-François | 
| Canton | Sermaize-les-Bains | 
| Intercommunality | Côtes de Champagne et Val de Saulx | 
| Area 1 | 7.26 km2 (2.80 sq mi) | 
| Population  (2022) | 103 | 
| • Density | 14/km2 (37/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 51441 /51300 | 
| Elevation | 108 m (354 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Ponthion (French pronunciation: [pɔ̃tjɔ̃]) is a commune in the Marne department in north-eastern France.
It is located southeast of Châlons-en-Champagne.