Translation of culpability in Spanish

Food was excellent, but unfortunately my wife could not eat it as it came with too much curry and she is sensitive to it. We were very tired and returned to the hotel around eleven o'clock.
Basically, I am here to learn Italian and French... some other languages as well, different cultures and meeting nice people. So far, I have made some friendships with Vocabulix, but I am always looking for more.
At noon we continued to the Altiplano to visit some lakes and volcanoes. At 4000 meter above see level it became suddenly extremely cold and our heads started to spin. Altitude sickness?