The caves are ok, but if you’re looking for history go to the fort. You can do a combination of the two for a small discount. Each tour is 1 hr and there’s 30 min in between so it takes a while.
The best place to go when in Maastricht
Don't miss the caves and a walk to the castle
One of the few dutch hills, it worth the visit. Don't forget the caves
Ga een stukje wandelen en geniet van het mooie uitzicht op Maastricht.