Saar (zär) [key], Fr. Sarre, river, c.150 mi (240 km) long, rising in the Vosges Mts., NE France, and flowing N past Sarrebourg and Sarreguemines. It enters Saarland, W Germany, and continues NW past Saarbrücken into the Moselle River near Trier. The river flows through a heavily industrialized region; it carries much barge traffic.
See more Encyclopedia articles on: Central European Physical Geography