Explore details about location Impasse des Treyves de Janon. Impasse des Treyves de Janon is a location situated within the Saint-Étienne alongside other areas such as Rue Calixte Plotton, Allée Vladimir Durkovic, Rue du Mont. Additionally, some smaller parts of Impasse des Treyves de Janon include specific areas like Rue des Cèdres adding to the diversity of its landscape.