We then visited the ventilation towers themselves with glazed bricks and original massive vertical exhaust fans still in operation but only used intermittently now, as cars engines are much cleaner and lorries are no longer allowed. The original inlet fans have been replaced by modern horizontal units which pump air into the lower section of the tunnels length.
And finally down many stairs to the Tunnel itself, to walk along the windy service tunnel into one of the ‘refuge’ stations installed after the 1999 Mont Blanc Tunnel Fire, complete with its CCTV, toilets and communicators to the main Tunnel Police control room. Due to many of us having engineering backgrounds the tour was enhanced by the in-depth knowledge of our 2 guides Allison and Billy.



SWANAGE & PURBECK WALKING FESTIVAL 2017
The new
One of our riders was able to use the repair facilities at the Mecycle Café/Shop, whilst we took a break, in order to have his cycle repaired, due to minor damage sustained to the gears whilst riding through the woods.