Tours will go ahead as long as there is a volunteer guide available and the weather is fair.
For insurance reasons the minimum age is 8.
At their discretion, tour guides may refuse entry on health and safety grounds.
There are some uneven floor surfaces and unsuitable footwear, such as open-toed sandals/flip-flops, is not allowed.
Tower tours are limited to a maximum of 13 people (over 8 years old).
There are 300+ steps to climb in a narrow space on the tower tour.
Please make your own assessment of your suitability for this tour. It is not recommended for people with heart or breathing problems, or who may suffer from anxiety in narrow spaces. We ask you to sign a disclaimer before the tour.