Explore hiking trails around Frenelles-en-Vexin, Haute-Normandie. The best hike near Frenelles-en-Vexin is Centre aquatique Youri Gagarine via Boulevard Youri Gagarine and Rue du Nord, a 4.0 mile out and back trail in Butte des Châtaigniers. Frenelles-en-Vexin has population 1702.0.