 The road then climbs over the "Cote d'Alun" (384 m) into the town of Chaumont in the valley of the River Marne.There are junctions with the N67 (Saint Dizier to Chaumont) and the N74 (Beaune-Dijon-Langres-Chaumont-Nancy-"Germany").The road heads south east along the south bank of the Upper Marne Valley through the "Bois de la Vendue" and crosses the A31 autoroute and enters a small plain surrounded by hills of over 475 m. The road then enters the walled hill town of Langres.