The longest river in Europe, which rises in north-western Russia and flows 3,688 km (2,292 miles) generally eastwards to Kazan, where it turns south-eastwards to the Caspian Sea. It has been dammed at several points to provide hydroelectric power, and is navigable for most of its length.
The longest river in Europe, rising in northwestern Russia and flowing east for 2,292 miles (3,688 km) to Kazan, where it turns southeast to the Caspian Sea. It has been dammed at several points to provide hydroelectric power and is navigable for most of its length.