The total approximate length of Wadi Madnan is . It flows from south to north, and its main
source is located on the northeast slope of
Jabal Yibir, at an altitude of approximately . and the village of
Dardur (), which extends around its summit, forming a large ravine with abrupt and very steep sections. At the beginning of its middle course, the wadi passes through the village of
Wab Saqar () and for the next , until reaching the village of
Khanaan (), This area of waterfalls is known to enthusiasts of
canyoning named
Kirithon Canyon. A few meters before its mouth in the
Wadi Naqab, the Wadi Madnan receives on its right the confluence of the Wadi Samarat (Wādī Khalkhāl). == Toponymy ==