Clara Castle

Clara Castle stands as one of Ireland's finest and most complete tower houses, a masterclass in late medieval Irish architecture. Built in the late 15th or early 16th century by the Shortall family, this five-storey tower rises to a height of 20 metres and has survived with remarkable integrity intact. The castle remained in the hands of the Shortalls until around 1640, when control passed to Henry Johnson during the turbulent Cromwellian period. After Johnson's tenure, the Byrne family took charge and ruled Clara for centuries, with notable members including Anthony Byrne (1656–1720), Lewis Byrne (1690–1766), Mathew Byrne (1694–1754), Anthony Byrne (1725–1810), and Michael Byrne (1762–1835). What is extraordinary about Clara is that it remained continuously inhabited until 1905, making it one of the rare Irish tower houses to be lived in through the Georgian and Victorian eras. This long occupation meant the castle was maintained and preserved rather than abandoned to ruin, a fortunate circumstance that explains its exceptional state today.

The interior of Clara Castle reveals the sophistication and comfort of Irish tower-house living at its finest. A vault springs above the third floor, creating a strong defensive arch within the structure. The second floor, evidently the lord's chamber, is appointed with a hooded chimneypiece, a mural passage, a garderobe (medieval toilet), and a small private bedroom—amenities that speak to the castle's role not merely as a fortress but as a residence befitting a landowning family of substance. On the third floor lies a secret chamber, a feature common to Irish tower houses and used for secure storage of valuables or as a refuge during danger. The top floor served as the family's main living area and is dominated by a large lintelled fireplace beneath crenellated parapets. Defensive elements are not forgotten: a murder-hole above the entrance—a narrow opening through which defenders could drop objects or fire upon attackers—is protected by a yett (a heavy gate) and drawbar, the final line of defence against assault. Adding to the castle's exceptional historical value, the Shortall family's original oak doors and floor beams have been preserved throughout, materials that can be dated and studied to understand the castle's construction and maintenance practices. Flanking the north side of the tower is a defensive bawn—a fortified enclosure measuring 10 by 22 metres—which would have protected livestock, stored supplies, and provided a secondary line of defence.

Today, Clara Castle is designated as a National Monument and is managed for public access and scholarly study. Standing near Kilkenny City, it has become one of the most visited and celebrated tower houses in Ireland, attracting historians, architects, and visitors fascinated by the tangible reality of medieval Irish life. The castle's condition—its original timber, its defensive features, its spatial arrangement, and its long occupation history—makes it a benchmark against which other Irish tower houses are measured. Walking through Clara's chambers, from the defensive entrance to the lord's comfortable chamber to the family's communal living space above, visitors experience not an abstract ruin but a liveable medieval home, a place where real families ate, slept, strategised, and endured.

Staying near Clara Castle: local knowledge

Clara Castle stands near Kilkenny city in County Kilkenny, in the Leinster region, and is considered one of the best-preserved tower houses in Ireland. Built by the Shortall family, who occupied it until around 1640, this six-storey structure retains much of its original oak panelling and internal fittings, making it a benchmark example of Irish tower-house architecture. The nearest castle hotel is Kilkea Castle, positioned 38.2 kilometres away, representing a substantial day-drive but providing castle-based accommodation for broader Kilkenny exploration. As an OPW National Monument with keys available locally for access, Clara offers visitors the rare opportunity to enter and climb through a fully preserved tower house, experiencing how these structures functioned internally across six storeys of domestic and defensive space.

The Kilkenny region in which Clara sits reflects the broader character of Leinster's inland medieval heartland—this is an area with deep roots in Anglo-Norman settlement, monastic sites, and the extended territory controlled by powerful Norman families like the Butlers. Clara's preservation in private, family-oriented contexts for nearly 400 years has contributed to its exceptional state of conservation. The availability of keys locally for access means you can plan an intimate visit to this tower house without the constraints of managed heritage site schedules. The castle's position in the broader landscape of Kilkenny—itself a major medieval centre with an extraordinary concentration of castles, monastic sites, and Norman fortifications—makes Clara part of a richly layered historical geography worth exploring across multiple days.

Best time to visit Clara Castle

Clara Castle is an OPW National Monument with keys available locally for access, making visiting possible year-round, though contacting local access providers beforehand is sensible to confirm availability. Summer months offer the longest daylight hours for climbing through the six storeys and experiencing the full vertical arrangement from entrance to crenellated roof—the natural light in upper storeys is limited, making summer's brighter conditions genuinely rewarding. Spring and autumn provide pleasant weather and typically quieter conditions for contemplative exploration of the lord's chamber with its hooded chimneypiece and mural passage, the secret chamber on the third floor, and the defensive features like the murder-hole and yett mechanisms.

The original oak doors and floor beams still in place connect visitors directly to 15th-century craftsmanship, and these materials reveal their weathering and grain character most clearly in good natural light. The vaulting above the secret chamber, the defensive bawn enclosure north of the tower, and the full multi-layered fortification strategy are best understood and appreciated in bright conditions that permit detailed observation. Winter visits are possible but the limited natural light in tower interiors becomes a practical constraint for safely climbing and observing internal details. Spring and autumn offer ideal conditions for the contemplative, slow exploration that Clara's preserved interior fully rewards—this is a castle that invites spending time, not rushing through.

What to know before you visit

Clara Castle is an OPW National Monument with local key access, meaning you'll need to contact local providers to arrange entry before visiting. This is a fully preserved tower house, not a ruin—you'll be entering a real structure with six storeys of internal space, climbing through domestic chambers, encountering original fittings and materials, and experiencing the spatial and defensive logic of Irish tower-house architecture. The crenellated roof is accessible, offering panoramic views across the Kilkenny landscape. This is not a guided tour experience but an independent exploration of genuine historical architecture.

Before visiting, confirm key access arrangements with local contacts; this typically involves coordination with nearby residents or heritage providers. Climbing six storeys on medieval staircases demands sensible footwear and a degree of physical capability—there are no modern handrails or safety features, only original stone steps and structures. The preserved oak doors, floor beams, vaulting, and defensive features—murder-hole, yett/drawbar mechanisms, secret chamber—make this a genuinely educational experience for understanding tower-house function and design. The defensive bawn enclosure surrounding the tower adds spatial context to the fortification strategy. If you're exploring Kilkenny's exceptional concentration of castles and medieval sites, Clara offers an incomparable interior experience—the chance to inhabit a tower house rather than merely observe ruins from outside. The castle rewards a careful, slow visit rather than a rushed stop.