To a distance of four months' travel by land and water, then, there is knowledge of the Nile , besides the part of it that is in Egypt . So many months, as reckoning shows, are found to be spent by one going from Elephantine to the country of the Deserters. The river flows from the west and the sun's setting. Beyond this, no one has clear information to declare; for all that country is desolate because of the heat.