Essential information. There is approximately 1¾ hours of walking on this tour, over cobblestones, as well as some steps and steep inclines to negotiate. There is a charge of euro 0.50 cents to use the public toilets at the castle. Flat, comfortable walking shoes are recommended. Passengers will be required to take a lift to reach the hotel refreshment venue which is located on the 2nd floor. As this tour operates over lunch, passengers are recommended to have a hearty breakfast.