 The legend says that the menhir which raises itself(draws up itself) on the central place(square) of Plonéour-Lanvern would be the mast of the boat which would have brought saint Enéour of Great Britain in Cornouaille.The Breton name of the municipality is Ploneour-Lanwern.The River of Pont-l'abbot rises near Kerfioret, in the municipal limit between Landudec and Plogastel-Saint-Germain, in passer-by in the West-southwest of the village of this last municipality.