An Carnan is the low hill in the background. The astronomical significance of this stone in conjunction with the very tall stone http://www.geograph.org.uk/photo/2230661 is explained on http://www.stonesofwonder.com/ballinab.htm
Uploaded to Geograph by Russel Wills on 0 July 1975
Photo © Russel Wills, 0 July 1975. Licensed for reuse under this Creative Commons licence