Which part of a mountain receives the majority of moisture due to the rain shadow effect?

The part of the mountain that receives the majority of moisture due to the rain shadow effect is windward side.

Explanation:

The shadow effect is s physical and geological effect that mountains along with wind create when the rain comes to land. the shape of mountains works as a barrier to rain and creates a dry side of the same mountain, the opposite side to the one that receives the rain and all the moisture that is moved and bring by the wind.