First visited a few years ago, but always wanted to return in the summer with the foliage in full bloom. The mists inside made this difficult to illuminate, so I have concentrated my report on the ambient lighting from the airshafts. This still remains one of my favourite tunnels, and a return visit did not disappoint.
Explored with KM Punk.
1058 yards long, it was built in 1862 so the Duke of Rutland wouldn’t have to see a train line run along his estate near Haddon Hall. Part of the...