Translation of subsist in Spanish

We could not believe how difficult it was to find a decent room in this four star hotel. I went to the reception desk and complained about our room and about the attitude and bad service.
It was very amusing and were authentic. We approached the top of the hill and saw the temple for the first time. Actually one could not see the temple, just the people standing on it.
We woke up very early because we wanted to continue to Bariloche in Argentina. We bought some food and sat down by the lake to eat a breakfast sandwich. It was so foggy that we could not see the volcano.