Sehel Island Sehel Island Sehel Island is located in the Nile, about southwest of Aswan in southern Egypt. It is a large island, and is roughly halfway between the city and the upstream Aswan Low Dam. Sehel Island, spanning 3/4 the width of the Nile, is the primary large island below the Nile's First Cataract and the Aswan Low Dam (1902). Following downriver, the next major islands after Sehel are: Saluga, Ambunarti, Elephantine, and then Kitchener's Island. There are a dozen smaller islands scattered around them. The island was known in ancient tiles as "Setet", and there are many archaeological sites, including
Aswan Dam below 147 m above sea level, 90 km live storage, and 41 km of storage for high flood waters above 175m above sea level. The annual sediment load of the Nile is about 134 million tons. This means that the dead storage volume would be filled up after 300–500 years if the sediment accumulated at the same rate throughout the area of the lake. Obviously sediment accumulates much faster at the upper reaches of the lake, where sedimentation has already affected the live storage zone. Before the construction of the High Dam, the 50,000 km of irrigation and drainage canals