> > This tunnel, which looked -- and still looked -- to be about fifty yards long turned out to be nearly a mile (1.6 kilometers) long. It took us FOREVER to get to the other end.
>Puck and I jogged the entire way back, completing the trip in something on the order of 10-12 minutes, and that's what we used to make an extremely rough guess about the tunnel's length

It took me a while to find it, but I can now tell you that the old railway tunnel in the Karangahake Gorge is 1.1 kilometres long. So that wasn't a bad estimate, considering you were probably jogging a lot slower than normal pace due to it being pitch dark with a slightly uneven floor.

Brunnen-"odd that I found it too freaky to run through there, but was happy to bike it on the previous trip"G