Castle, Killahara, Co. Tipperary
Perched on a rocky outcrop in Killahara, County Tipperary, this remarkably well-preserved tower house stands as a testament to late 16th or early 17th century defensive architecture.
Castle, Killahara, Co. Tipperary
The four-storey structure, measuring approximately 12 by 9.6 metres with walls nearly 2.5 metres thick, was built from roughly coursed limestone rubble with carefully dressed corner stones. Its defensive nature is immediately apparent from the main entrance on the northwest wall, which leads into a lobby protected by an overhead murder hole and cross-loop, with a guardroom tucked into the western corner.
The interior reveals the sophisticated planning typical of Irish tower houses. A spiral staircase in the north corner connects all floors, whilst each level served distinct purposes. The ground floor features an elliptical-headed window and twin-light windows set into segmental arches, their embrasures still showing traces of wicker centring. The first floor housed more comfortable quarters, complete with a fireplace featuring joggled voussoirs and a private garderobe. Wooden floors throughout were supported by joists on corbelled wall-plates, except for the third floor which rests atop a barrel vault. The fenestration progresses from simple elliptical windows to more elaborate twin-light ogee-headed designs on upper levels.
Perhaps most intriguing are the tower’s hidden defensive features: a secret mural chamber concealed within the northeast wall at third-floor level, a keyhole gun loop (now blocked) on the southeast wall, and multiple garderobes with chutes exiting at the base. The third floor shows evidence of 19th century modifications, including bricked-up openings and brick-arched windows, suggesting the tower remained in use long after its military importance had waned. Access to the wall-walk via mural stairs allowed defenders to patrol the battlements, completing this formidable example of Gaelic Irish fortification.





