Leuchtturm Oberalppass

This lighthouse is a smaller replica of the lighthouse, which formerly stood at the mouth of the Rhine in Hoek van Holland.

Highest lighthouse in the world near the source of the Rhine
de.wikipedia.org/wiki/Oberalppass

Here is the little brother of the lighthouse in Hoeck van Holland (Rotterdam). It's a nice idea to put the same lighthouse on (or better still near) the source and the estuary