 Mouth of the Arguenon between the communes of Créhen and Saint-Cast-le-Guildo | |
 Course of the Arguenon | |
   | |
| Location | |
|---|---|
| Country | France |
| Region | Brittany |
| Department | Côtes-d'Armor |
| Physical characteristics | |
| Source | |
| • location | Le Gouray |
| • coordinates | 48°19′11″N 2°31′17″W / 48.3196°N 2.5214°W |
| • elevation | 200 metres (660 ft) |
| Mouth | English Channel |
• location | near Saint-Jacut-de-la-Mer |
• coordinates | 48°34′13″N 2°13′05″W / 48.5702°N 2.218°W |
• elevation | 0 metres (0 ft) |
| Length | 53.36 kilometres (33.16 mi) |
| Basin size | 534 square kilometres (206 sq mi) |
| Discharge | |
| • average | 4.83 cubic metres per second (171 cu ft/s) |
| Basin features | |
| Tributaries | |
| • left | Guébriand |
| • right | Rosette |
The Arguenon (French pronunciation: [aʁɡənɔ̃]; Breton: Argenon) is a French coastal river in the Côtes-d'Armor department of the Brittany region. It flows into the English Channel.