Explore details about location Avenue de Foncastel. Avenue de Foncastel is a location situated within the Mérignac alongside other areas such as Rue César Franck, Allée des Iris, Avenue du Maréchal Lattre de Tassigny. Additionally, some smaller parts of Avenue de Foncastel include specific areas like Allée des Ormes, Avenue des Eyquems adding to the diversity of its landscape.