This natural arch is located up on the cliff above the little canyon of Combe d'Oyans near the hamlet of Les Ducs in Drôme department of France. The opening has a measured height of 3.3 meters. The arch is situated on a balcony on the side of the cliff hence the name. It is also on the side of the upper entrance of Petit Tunnel d'Oyans (Little Tunnel of Oyans). IGN topographic map Top 25 number 3136 Bourg-de-Péage (pleat D3).
