Edmé Baugier, a historian, described the properties of the waters in Sermaize as: "purgative and diuretic, particularly good for treating renal colic and gravel (kidney stones)."
On the way
Sermaize-les-Bains: former spa, church of Notre-Dame
Vestiges of the NATO camp
Trois-Fontaines: ruins of the 12th century Cistercian abbey, 18th century castle, cycle museum
Chasms