Sennar Dam
The 928th tallest dam in the world
The Sennar Dam is an irrigation dam on the Blue Nile near the town of Sennar in the Al Jazirah region of Sudan. The dam is 3,025 metres (9, 925 ft) long and has a maximum height of 40 metres (130 ft). It was designed by the Scottish engineer Sir Murdoch MacDonald, begun in 1914 and completed in 1925 by the British contractor S Pearson & Sons.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).