Explore details about location Impasse de la Grosse Planche. Impasse de la Grosse Planche is a location situated within the Montaillé alongside other areas such as Allée des Acacias, Allée des Iris, Rue des Hortensias. Additionally, some smaller parts of Impasse de la Grosse Planche include specific areas like Route de Conflans-sur-Anille, Route du Cimetière au Vau, Résidence des Pervenches adding to the diversity of its landscape.