Dubh Artach lighthouse lies about 15 nautical miles west of Colonsay and was built between 1865 and 1872 by the "lighthouse Stevensons" for the Northern Lighthouse Board (NLB). NLB account of the constructiuon is at https://www.nlb.org.uk/LighthouseLibrary/Lighthouse/Dubh-Artach/.
Uploaded to Geograph by Donald MacDonald on 27 June 2014
Photo © Donald MacDonald, 27 June 2014. Licensed for reuse under this Creative Commons licence