Quelfénnec
| Location | Plussulien, Brittany |
|---|---|
| Coordinates | 48°15′23″N 3°03′10″W / 48.25639°N 3.05278°W |
| History | |
| Periods | Neolithic |
| Site notes | |
| Discovered | 1964 |
| Excavation dates | 1964 - 1976 |
| Public access | Yes |
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Quelfénnec is an archaeological site in the French commune of Plussulien, in the Côtes-d'Armor department of Brittany. Discovered in 1964 by retired French Historian Charles-Tanguy Le Roux, excavation of the site started upon discovery and continued until 1976.