A delta is a low, watery land formed at the mouth of a river. It is formed from the silt, sand and small rocks that flow downstream in the river and are deposited in the delta. A delta is often (but not always) shaped like a triangle (hence its name, delta, a Greek letter that is shaped like a triangle).
A cataract.
The Nile cataract is known as shallow waters in a river. This is usually seen in white or fast moving waters.
It is the first Cataract in Aswan
in nubia
Aswan,It stands on the east bank of the Nile at the first cataract and is a busy ... Aswan is the ancient city of Swenet, which in antiquity was the frontier town ... the Nile in the south, Swenet was the first town in the country, and Egypt
At Aswan.
The six cataracts of the Nile River are known as: the First Cataract at Aswan, the Second Cataract near the city of Kurgus, the Third Cataract at Abu Simbel, the Fourth Cataract near the village of Dakkah, the Fifth Cataract at Jebel Adda, and the Sixth Cataract at the confluence with the Blue Nile. These cataracts are characterized by rocky rapids and significant drops in elevation, creating challenging navigation points along the river.
Khartoum is the city located south of the 6th cataract!
CAtaract
Cataracts of the Nile are white water rapids of the Nile River, between Aswan and Khartoum.
cataract
the area is 200mi also it is part of Nubia