The rectangular stone footings, measuring approximately 6.3 metres north to south and 7.4 metres east to west, sit within what was likely a defensive bawn; a fortified enclosure typical of Irish tower houses from the 15th to 17th centuries. The castle ruins occupy a strategic position in gently rolling countryside, with commanding views to the north, south and west, whilst higher ground rises to the east.

The site forms part of a broader medieval landscape that tells the story of centuries of settlement in this corner of Tipperary. Just 50 metres to the north stand a church and graveyard, their proximity suggesting the castle once belonged to a family of some local importance. A stream flows 115 metres to the west, whilst the remains of a watermill lie 139 metres to the southwest, indicating this was once a thriving agricultural community. Perhaps most intriguingly, earthworks surrounding the castle to the west, north and south point to a possible deserted settlement, hinting at a larger population that once called this area home.

Today, visitors to Erry will find little more than these subtle impressions in the landscape, where the castle’s wall footings merge with the southern end of the graveyard wall. Yet these humble remains speak to Ireland’s complex medieval past, when hundreds of such tower houses dotted the countryside, serving as both family homes and defensive strongholds for the Anglo-Norman and Gaelic nobility who shaped the island’s history.