Translation of mountaineer in German

Then we did a boat trip which started somewhere in the delta and ended somewhere else in the delta. Each couple received a boat and an elderly lady had to row. I did not feel comfortable with that.
The name of the agency was Handspan and they were the first ones in the country that worked under ISO 9001:2000 quality management. That was pretty convincing especially after our horrible experience the day earlier.
Unfortunately, I have never been to the United States, but I was in Mexico last year, that is close. Zurich is a very nice city, the people are friendly and the lake is very beautiful.