We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers: Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.
“Every aspect of the tour was just wonderful - from the welcome received at the office, to the narration we received on the bus ride out to the site where we actually start the tour, afternoon tea was lovely (reall...”
“We were a group of 20 celebrating a big birthday and it was such an enjoyable experience that everyone commented that they would come back and do the 20 tunnel tour, very friendly staff .”