Haute-Marne , (Upper Marne), a N. E. department of France, formed chiefly from the ancient province of Champagne, bordering on the departments of Marne, Meuse, Vosges, Haute-Saone, Cote d'Or, and Aube; area, 2,401 sq. m.'; pop. in 1872, 251,190. The surface is generally hilly, and occasionally mountainous. Some of the Langres summits attain an elevation of 2,500 ft. The principal rivers are the Marne, Meuse, and Aube. The climate is mild and healthful in summer, but in winter often very severe in the highlands. The valleys and plains are fertile. The chief productions are wheat, oats, barley, peas, beans, potatoes, mustard, hemp, fruit, garden plants, and timber, with which more than one third of the department is covered. A large amount of wine is made. There are more than 100 furnaces for the smelting and manufacture of iron, and cotton and woollen yarn, woollen stockings, leather, gloves, paper, beer, and brandy are manufactured. It is divided into the arrondissements of Chaumont, Langres, and Vassy. Capital, Chaumont-en-Bassigny.