Translation of bivouac in German

I'm looking to move to Spain in the summer and hoping to visit my friend in Barcelona before then so I was hoping to have the basics done by then. I've always wanted to learn another language, but we are not pushed enough in the US.
Our fisherman stopped the boat and his nine year old girl opened a box with souvenirs, clothes and hats. We were in the middle of a river not going anywhere and had to start buying things.
We blamed the sandwich which we had eaten a day earlier for lunch in Bolivia for the stomach ache of my wife. She became very weak and she had to stay in the hotel for two entire days.