Columnar jointing
Introduction
The photograph on this page of Columnar jointing by Lairich Rig as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Lairich Rig Taken: 18 Apr 2014
This is the northern side of the knoll that is shown on the right in Image; I took the present picture while passing it on the same track; this side was in deep shade, presenting a photographic challenge. Earlier on the same walk, I had examined another formation, which, though superficially rather different, is a variation on the same theme, and was formed in the same way: Image More examples can be found a mile or so to the WNW, in the Squirrel Wood: they include Image and Image, but the best example, by far, is the Image