 The true source is near Rutovu, where a pyramid was erected in 1938.Waldecker's name is seen on the plaque, which says in Latin, "Caput Nili," thus ending man's long quest to discover the source.Although the Nile river has various sources, Waldecker found the White Nile's most southern source which is part of the Kagera River, the other being Lake Kyoga in Uganda further north.