Treffiagat
| Treffiagat Triagad | |
|---|---|
| Ancient menhir at Treffiagat | |
| Location of Treffiagat | |
| Coordinates: 47°48′16″N 4°15′43″W / 47.8044°N 4.2619°W | |
| Country | France | 
| Region | Brittany | 
| Department | Finistère | 
| Arrondissement | Quimper | 
| Canton | Pont-l'Abbé | 
| Intercommunality | Pays Bigouden Sud | 
| Government | |
| • Mayor (2020–2026) | Nathalie Carrot-Tanneau | 
| Area 1 | 8.10 km2 (3.13 sq mi) | 
| Population  (2022) | 2,438 | 
| • Density | 300/km2 (780/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 29284 /29730 | 
| Elevation | −1–26 m (−3.3–85.3 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Treffiagat (French pronunciation: [tʁefjaɡat]; Breton: Triagad), also known as Treffiagat-Léchiagat, is a commune in the Finistère department of Brittany in north-western France.