 Downstream to this stretch of water the small coastal river takes a course in the direction of the southeast until Pont-l'Abbé.In the past, numerous mills became established along his course.Among them, of upstream towards the approva, the Mill of Quiliou (the Mill of Hilguy is situated on a tributary) in Plogastel-Saint-Germain, the Mill Trévan and the New Mill in Peumerit (the Mill Troyon The Mill Maréguez is situated on a tributary), (too in Plogastel-Saint-Germain), the Mill of Callac, the Mill of Fao, the Mill of Trémillec and the New Mill as well as, situated on the brooks of Lanvern, the mills of Lanvern and Kerbénoc' a hour in Plonéour-Lanvern, the mill Hascoet (situated on a tributary) in Pont-l'Abbé.