From Foreness Point to Shoeburyness From Shoeburyness to St Abb's Head River Hundred (Benacre, Kessingland The Aa is an 89 km long river in northern France.
It flows through the départements and cities of Pas-de-Calais: Saint-Omer and Nord: Gravelines.
The three main rivers in Germany are the Rhine (German: Rhein) (main tributaries including the Neckar, the Main and the Moselle (Mosel)); the Elbe (also drains into the North Sea); and, the Danube (Donau).
The rivers in this section are sorted south-west (Netherlands) to east (Danish border).
The Rhine, together with its tributaries the Aare and the Thur drain about two thirds of the water into the North Sea.