Isar ē´zär [key], river, 160 mi (257 km) long, rising in the Tyrol, W Austria, and flowing NE through S central Germany, past Munich, to the Danube River. There are more than 25 large hydroelectric plants below Munich.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: Central European Physical Geography