thumb|right|Wādī Bertema in backgroundWādī Bertema is a wadi located at Latitude: 33°31'59.98" and Longitude: 10°40'59.99" in Madanīn, Tunisia. The river flows from Metameur to Boughrara on the gulf of Tunis, and being a coastal waterway the elevation above sea level is 1 meter.[1] [2] [3]
The ruins of the Roman town of Gigthi are close by.