Barr is a commune in the Bas-Rhin department in the Alsace region of north-eastern France.

Mont Sainte-Odile is a 764-metre-high peak in the Vosges Mountains in Alsace in France, immediately west of Barr. The mountain is named after Saint Odile. It has a monastery/convent at its top called the Hohenburg Abbey, and is notable also for its stone fortifications called "the Pagan Wall." In 1992, Air Inter Flight 148 crashed near this area.