It will take minimum 2hrs.. you can extend it if you want
Every tour is 2 hours and you get to pick how many tours you would like there is 5 total and after the tour you get to walk the grounds for pictures you also have a 15 min bus ride up to the castle and back down to the lobby
Up to about 1 hr or so. Right afterwards the guide lets you loose to take pictures and walk around on your own. Even tho you can still take pix along the tour route
At least an hour
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