There are many ports on the river Rhine. For example Karlsruhe, Mainz, Cologne (Köln), Düsseldorf.
At the mouth is Europoort, Rotterdam.
At the upstream end, the last port is Basel.
Rotterdam
The Alps.
The Rhine river's delta, mouth or end is at the north sea at the following co-ordinates 51°58′52″N 4°5′35″E
Rotterdam in the Netherlands is located near the river's mouth
It was Ostia. The actual port, which was called Portus, was to its north, past the other bank of the river.
The river Rhine starts in canton Graubünden, Switzerland.It flows into the North Sea at Hook of Holland (Netherlands) about 1,233 km (766 miles) from the source.
At Le Havre a port on the Channel
The Swan River ends at the sea, at the port for Perth, Western Australia.
Rhine Province ended in 1946.
Confederation of the Rhine ended in 1813.
Arabian Sea near the port city of Karachi in Sindh.
What is the name for the end of a river
British Army of the Rhine ended in 1994.