Arkose Issy-les-Moulineaux - Bloc on Clmb House. Venue in Rue du Bateau-Lavoir, 92130 Issy-les-Moulineaux, France, France. Arkose Issy-les-Moulineaux Bloc is a bouldering-focused climbing loft within the Halle Guillaume sports complex, with over 1,500 m² dedicated to climbing: 20...