Crannog on Carrigeencor Lough Crannogs were early settlements on artificial islands in loughs. They are a common feature in both Ireland and Scotland.
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/3462">Oliver Dixon</a>
From <a rel="nofollow" class="external text" href="https://www.geograph.org.uk/photo/799331">geograph.org.uk</a>