MONT BLANC, the culminating point (15,782 ft.) of the mountain range of the same name, which forms part of the Pennine Alps, and is divided unequally between France, Italy and Switzerland.
He returned home by Mont Cenis, observing the avalanches,2 instead of, as his relatives hoped, securing a post in the French army in Piedmont.
The ruined church at Longpont (13th century) is the relic of an important Cistercian abbey; Urcel and Mont-Notre-Dame have fine churches, the first entirely in the Romanesque style, the second dating from the 12th and 13th centuries, to which period the church at Braisne also belongs.
On the south-eastern frontier the French Alps, which include Mont Blanc (15,800 ft.), and, more to the south, other summits over 11,000 ft.
The principal affluents are the AriCge, the Tarn with the Aveyron and the Agout, the Lot and the Dordogne, which descends from Mont Dore-lesBains, and joins the Garonne at Bec-dAmbez, to form the Gironde.