Cutting-edge aerial technology reveals previously unknown ancient sites on Scottish island

© HESGlen Iorsa extends into the heart of the mountainous north end of Arran, a long hard walk from the nearest roads today. The little dimples on this visualisation of the airborne laser scanning data are the remains of shepherds huts, probably of medieval and post medieval date, from a period when stock were driven up valleys like Glen Iorsa in the summer for grazing.
Glen Iorsa extends into the heart of the mountainous north end of Arran, a long hard walk from the nearest roads today. The little dimples on this visualisation of the airborne laser scanning data are the remains of shepherds huts, probably of medieval and post medieval date, from a period when stock were driven up valleys like Glen Iorsa in the summer for grazing.

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