Translation of Appetithappen

Writing autobiography in another language has some advantanges. You do not have to think to much about the story and you can concentrate on the foreign language. Spanish is very suitable for that.
Sunday is fine. Please let us talk tomorrow to arrange a schedule of that day. I will call you tomorrow, but in any case, here is my number again. We could do it also on Monday next week, if it fits everybody.
In order to get to this hidden lake one would have to row beneath a cave. On the other side of the cave the five of us were alone. The lake was surrounded by limestone mountains covered with tropical trees.