The caves are at the very top of the hill when you arrive at the entrance. Don't park at the visitors center, go all the way to the top. If you do park at the bottom, there is a VERY slow tram that will take you to the cave entrance.
If you have the time and would like to show a cave system, though mediocre, to someone that never seen one before than I reccomend. For anyone that's seen a really extensive and beautiful cave system, you will most certainly be dissapointed.
I thought it was worth the 35 Euro family ticket (30 Euro if you buy it online) but I would not go back here. read more