A town of eastern France, in the department of Haute-Marne, 352 m. by rail E.N.E. of Langres. Pop. (1906) 3738. It is much frequented on account of its hot saline springs, which were known to the Romans under the name Aquae Borvonis. The heat of these springs varies from IIO to 156° F. The waters are used in cases of lymphatic affections, scrofula, rheumatism, wounds, &c. The principal buildings are a church of the 12th century, the state bathing-establishment and the military hospital; there are also the remains of a castle. Timber-sawing and plaster manufacture are carried on in the town. In the neighbourhood are the buildings of the celebrated Cistercian abbey of Morimond.