Translation of stance in Spanish

I hope you can understand the corrections this way... Two small errors. let me know if there is a word or sentence or phrase that you didn't understand! I will try to think more on the "since" question...
Breakfast was unbelievable. It was just delicious. They had all kinds of tropical fruits, great baked bred and croissants and superb jam. Coffee was not too bad either and service excellent.
The next day we had the feeling that the worst of our altitude thickness was over and decided to take the local bus to the Sacred Valley, a key area of settlement to the Incas.