leeward
A mountain range that runs side by side is called a parallel range.
It is called a rain shadow, and is true. It can be wetter on the prevailing windward side and drier on the lee side of a mountain range.
leeward
The prevailing winds will force the clouds to climb when they reach the mountain range. As the clouds rise they drop their moisture. So the windward side of the mountain will get rain, and the leeward side of the mountain will be drier.
The mountain range that runs down the western side of South America is the Andes Mountains. They are also the longest mountain range in the world measuring 4,300 miles in length.
deserts
The Sierra Madre Occidental is the main mountain range of western Mexico.
The prevailing winds will force the clouds to climb when they reach the mountain range. As the clouds rise they drop their moisture. So the windward side of the mountain will get rain, and the leeward side of the mountain will be drier.
A group of mountain ranges that run side by side is called a cordillera.
Patagonia borders on to the east side of the Andes.
Scandanavian
windward