Inch Castle

History of Inch Castle

The ruins of Inch Castle lie on the southern shore of Inch Island. This fortress was positioned on Lough Swilly to protect the southern borders of the Ó Dochartaigh's Inishowen. It was built around1450 for the Ó Dochartaigh chief by his son-in-law Neachtain Ó Donnell. 

Click the thumbnails below to open the photos in a larger viewer!

Cinematic footage of Inch Castle by RODPIKER DRONES UK.

Footage of Inch Castle by Donegal Drone Dude

A tour of Inch Castle by  bdougherty19 in June 2013. 

Other Resources to Check out

Monument Information

The ruins of Inch Castle are registered as National Monument Service RMP# DG046-004----. View more at Historic Environment Viewer and County Donegal.

Please don't visit Inch!

  • Why? Inch castle is in a dangerous state of disrepair and is considered a health and safety hazard.

  • Visiting the ruins of the Castle could jeopardize pending restoration work.

  • Accessing these ruins would involve trespassing across private property, which is unadvised.

  • Information about Inch Castle on Trip Advisor.



The O'Doherty Heritage website is designed to be your place for all things Ó Dochartaigh. Whether your name or ancestry is from a Doherty, Dougherty, Daugherty, Docherty, Dogherty, if your family used another spelling of our name, or if you're from one of our related Donegal families, such as the McDevitt/McDaid, McBride, McConlogue, or others–we welcome you to the O'Doherty Heritage website!

The vision of the O'Doherty Heritage is "Telling our story, uniting us together." This was the same vision of our ancestors, the Ó Dochartaigh patriarchs, when they established our Clan motto, Ár nDúthchas–which means 'Our Heritage'. Below are the goals of O'Doherty Heritage:


  • Share our heritage with our entire Clan

  • Research, document, & bring our history to life

  • Curate a digital Clan genealogy research library


  • Encourage quality genealogical research

  • Promote clan identity and pride in our heritage

  • Facilitate communication amongst our clanfolk


This site is curated by Will Dougherty III under the direction of the Association of Ó Dochartaighs. ©2020 O'Doherty Heritage. Site Policies. I'd love to hear your thoughts on the site, answer your questions, or see you get involved! Email