Katwijk AH-> beach

For the Oude Rijn branch in Gelderland Province, see: Oude Rijn (Gelderland).The Oude Rijn (Old Rhine) is a branch of the Rhine delta in the Dutch provinces of Utrecht and South Holland. Its present-day length is 52 kilometres.In Roman times, it was the main Rhine branch, forming the northern border of the Roman Empire.

Katwijk (Dutch pronunciation: [ˈkɑtʋɛik] (listen)) is a coastal municipality and town in the province of South Holland, which is situated in the mid-western part of the Netherlands.The Oude Rijn ("Old Rhine") river flows through the town and into the North Sea.Katwijk is located on the North Sea, northwest of Leiden and 16 km north of The Hague.

Katwijk aan Zee (literally, Katwijk-upon-Sea) is a seaside resort located on the North Sea at the mouth of the Oude Rijn. It is situated in the municipality of Katwijk and the province of South Holland.