Munster is a commune in the Haut-Rhin department in Grand Est in north-eastern France. It is located in the valley of the river Fecht, in the Vos…Munster is a commune in the Haut-Rhin department in Grand Est in north-eastern France. It is located in the valley of the river Fecht, in the Vosges mountains about 15 kilometres west of Colmar on the D417 road to the Col de la Schlucht and Épinal.