Switzerland
Lakes and Rivers

What is the longest river in Switzerland?

678

Answer

User Avatar
Wiki User
03/08/2012

The longest river in Switzerland is the Rhine (375 km - 233 miles). The Rhine also flows through Germany, Austria, Liechtenstein, France and the Netherlands. The longest river that flows entirely in Switzerland is the Aar (295 km - 183 miles). It is a tributary of the Rhine.