The deepest point is opposite the Lorelei (Lurlei) Rock near St Goar, where it is 75 ft.
They are nymphs of the sea, who, like the Lorelei of German legend, lured mariners to destruction by their sweet song.
Here are the rock of the siren Lurlei or Lorelei; the old castles of Stahleck and Pfalz, which belonged to the Counts Palatine of the Rhine; and the quaint medieval towns of Caub and St Goarshausen.
Lorelei Lee will simply drool over a diamond, while Dorothy drools over big pecs.
Rhine River: These sailing takes you through the Swiss Alps where you will be able to see the legendary Lorelei rock and a series of large, medieval castles right from the banks of the river.