Trélon
| Trélon | |
|---|---|
| The town hall in Trélon | |
| Location of Trélon | |
| Coordinates: 50°03′32″N 4°06′12″E / 50.0589°N 4.1033°E | |
| Country | France | 
| Region | Hauts-de-France | 
| Department | Nord | 
| Arrondissement | Avesnes-sur-Helpe | 
| Canton | Fourmies | 
| Intercommunality | CC Sud Avesnois | 
| Government | |
| • Mayor (2020–2026) | Thierry Reghem | 
| Area 1 | 39.15 km2 (15.12 sq mi) | 
| Population  (2022) | 2,642 | 
| • Density | 67/km2 (170/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 59601 /59132 | 
| Elevation | 170–251 m (558–823 ft) (avg. 250 m or 820 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Trélon (French pronunciation: [tʁelɔ̃]) is a commune in the Nord department in northern France.
Trélon forms the western edge of the Calestienne region.