Translation of Speichellecker

Exactly on that weekend there was a traditional apple event which is celebrated every year by the people of this small town. Naturally, It was very nice to see it, to see farmers outside of the city.
Anyway, I used these two weeks of break in order to fly to a Spanish speaking country and learn a new language. My friends told me that it was a waste of time but I really insisted. It is educational.
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.