Translation of permeable in German

We want to fly there again on Christmas, depending on Jenny's work. Maya entered kindergarden last week, and there were a lot of tears (mainly by her mother and not by herself. I guess that is natural.
Regretably they are fighting at the wrong 'frontline'. They are fighting there because there they can win. Nothing gets solved though. One needs to tackle the real issues and not flee for political reasons.
We walked by waterfalls and rivers, but the water was too cold to swimm in. The hike made us tired and we were in the valley, which meant that we had to climb up again. The climb was difficult.