Translation of zurückrufen

The reason for this behavior may be a reflection of the geographical and geological structure of the state: A lot of high mountains and valleys prevent easy travelling to the neighbors surrounding it.
I almost forgot to tell you, that the water was brown, despite of its name... Anyway, as I was already close to my next destination I went and consulted with a tourguide of Austrian travelers.
We had to be careful of not falling into the water. We rowed for about an hour and we got tired pretty easily. Especially the other man and woman looked devastated, at the limit of their physical capabilities.