There No National Permanent Rivers or Above Ground lakes in Saudi Arabia. Most of the Country Gets less Than 4 inches of Rain a Year. And the only Places that have any Run off are the Streets and Parking
lots of Cities. But There Are Wadis Which are Just
Gullies Where Rain can Collect and Run for a Few Hours if there is Enough. But They just run out into the sand where the water soaks in. Most of the Country is just Composed of dry Shifting Sand.