At the time it was the coldest December for 20 years with night time temps dropping to -15 degrees centigrade and day time temps reaching 10 degrees in the sunshine.
We guided and rowed the trip ourselves and took 16 days to descend the 225 miles!
Watch the video to see what it was like!
http://vimeo.com/user17728943/review/112443639/4d99168ea0