Randonnée VTT Glaireuse

The Randonnée VTT de Glaireuse is an annual mountain-bike rally organised by the Club des Jeunes de Glaireuse in the small Ardennes village of Glaireuse, near Bertrix in Luxembourg province, Wallonia. The 2026 edition is set for Sunday 9 August and offers a choice of marked off-road loops of 15, 25, 35, 45, 55 and 65 km through the forests and farmland of the upper Semois valley, alongside companion 5 and 10 km walking routes. The event is a long-running fixture of the second weekend of August on the Belgian VTT calendar.