There are no deserts in Switzerland.
the longest river in Switzerland is the Rhine 375km 36,494km2
Simpson Desert.
The Grosser Aletsch in Switzerland.
The answer to that is Switzerland! You just leave the P out!
The Gobi Desert is the largest and longest desert in China.
The Antarctic Desert is the longest and widest desert on earth.
Switzerland
the Sahara desert
The Rhine is the longest river in Switzerland however it runs through more than just 1 country. It is 375 km long. The Aar is the longest river running completely in Switzerland. It is 295 km long.
Switzerland
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.