Day 1: Start in Dörscheid or Kaub.
Day 2: Take the ferry in Kaub to the other side of the river. From there you follow the Rheinburgenweg Trail along Oberwesel to St.Goar.
Day 3: Hikingtour from St.Goar to Boppard.
Day 4: Take the ferry in Boppard back to the right side of the river. After having a short walk to Filsen you follow thr Rheinsteig Trail to Kestert.