| Trieux | |
|---|---|
 Trieux running through Pontrieux | |
   | |
| Location | |
| Country | France |
| Physical characteristics | |
| Source | |
| • location | Brittany |
| Mouth | |
• location | English Channel |
• coordinates | 48°49′22″N3°4′19″W / 48.82278°N 3.07194°W |
| Length | 72 km (45 mi) |
The Trieux (French pronunciation: [tʁijø] ⓘ ; Breton : Trev) is a 72-kilometre-long (45 mi) river [1] in the Côtes-d'Armor department, Brittany, France, beginning near Kerpert. It empties into the English Channel near Lézardrieux. Other towns along the Trieux are Guingamp and Pontrieux. Its longest tributary is the Leff.
