It's a thrilling drive, bending and twisting its way up and then down, the drama unfolding even in the rain.
Here's the route (click here to view if reading on email).
A couple of years ago we took a spectacular heli flight over the glaciers on a clear sunny day. If you'd like to see, click here.
We're camping here tonight, under a low ceiling of clouds, all tucked in and still loving NZ, come rain or come shine.