Pretty nice castle to visit. Surrounded by a valley with a nice view. As of Nov 2022, it was 6 euros to go inside and an extra 3 euros totaling 9 to climb tower, which I would say is worth it. There is a bathroom / toilet immediately after entering in the cellar. No food or drinks sold inside. You buy tickets in the building next door on the left. Ground floor takes about 15 -45 to explore , depending on how fast you go. The castle isn't that big, only about 9 rooms or so to visit, plus a gift shop. The tower you have to pay for separately, and you're only allowed up in timed intervals as part of a group. (We learned this the hard way after missing a schedule departure, because our primary school Spanish was not up to par and the gift shop lady did not speak good English). They say it is 152 steps, and I'd approximate it is about 4-6 stories worth of staircases. IMO not an issue at all for any healthy kid or adult, but otherwise will pose an issue. The staircase is very narrow. View is pretty good, and I think if you're already here you might as well pay the extra few euros to check it out. At a brisk pace through everything you could probably see it all in 1 hour (depends on the timing of the tower tour, it is set intervals at 00:15 and 00:45 as far as I can tell). A more moderate relaxed pace will probably land you at around 1-1.5 hours, maybe 2 hours if you take your time (as we did). Glad we did it though, was a decent castle as far as European castles go.