I reckon ( from distance, as I am on the other side of a large burn, and it is raining ) the diameter of the trunk to be 5'. Was this a gigantic tree at some time ? Next time that I am there, and it is not raining, I will try to have a closer look.
Uploaded to Geograph by Peter Aikman on 27 March 2011
Photo © Peter Aikman, 27 March 2011. Licensed for reuse under this Creative Commons licence