Mount Errigal in County Donegal, Ireland
Original uploader was <a href="https://it.wikipedia.org/wiki/User:Kanchelskis" class="extiw" title="it:User:Kanchelskis">Kanchelskis</a> at <a class="external text" href="https://it.wikipedia.org">it.wikipedia</a>
CC BY 2.0
Originally from <a class="external text" href="https://it.wikipedia.org">it.wikipedia</a>; description page is/was <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Image%3Aerrigal.jpg">here</a>.