Overview
Dunganstown Castle sits on a gentle rise in the townland of Dunganstown West, just outside the coastal town of Arklow in County Wicklow. The site is defined by a solitary square tower, its stone walls softened by centuries of ivy, which forms the core of a fortified house built around 1610 by Sir John Hoey. The surrounding estate once featured cultivated parkland, a long tree-lined avenue, and a deer park overlooking the coastal hills. While the castle remains in private hands and is not open to the public, the Dunganstown Heritage Trail follows public rights-of-way, allowing visitors to view the ruins and explore the ancient woodland and historic lanes that frame the estate.
History & Notable Visitors
The name Dunganstown likely traces back to a man called Dongan, described in 1542 as a rich Dublin merchant. The fortified house itself was built around 1610 by Sir John Hoey, during a turbulent period of plantation and rebellion. Sir John died in 1664 and his wife Jane in 1692; both are buried at St Audoen’s in Dublin, and the estate passed to their son William. Later owners included the Blackwood-Price family, and the MacDonald family, who bought the place in 1922. Samuel Lewis’s Topographical Dictionary of Ireland (1837) recorded it as “one square tower and an extensive range of domestic buildings, partially covered with ivy.”
Local accounts suggest the site may have originated as a Norman stronghold, later passing to the Knights Templar and the Hospital of St John of Jerusalem. The guest list, true or otherwise, is a good one: King James II is said to have rested in the garden on a carved “wishing chair” after his retreat from the Battle of the Boyne in 1690, and Lord Effingham and Sir Walter Raleigh are both named as visitors. The tower was burned in the 1641 rebellion and never rebuilt, which is why you see ruins today. Local folklore tells of two underground tunnels – one supposedly running to nearby St Kevin’s Church, another stretching six miles to the Black Castle on the coast – though no archaeology has ever confirmed them.
The Heritage Trail: What to See & Do
The Dunganstown Heritage Trail strings together seven interpretive stops, creating a self-guided walk that blends architectural history, horticulture, and local legend. The route is illustrated with photographs and sketches created by pupils of Brittas Bay National School, and trail guides are available in local shops and at the Brittas Bay visitor centre.
The Tower and Long Avenue
The square tower remains the trail’s focal point. From its base, walkers can follow the “Long Avenue,” a wide, tree-lined vista originally designed to frame views of the surrounding hills and the former deer park. The avenue offers a clear example of 17th-century landscape design, with mature trees still lining the public footpath.
Ancient Woodland and Rare Trees
If you stop for one thing on the trail, make it the hornbeam. Thought to be 400 years old and reckoned the oldest living exotic tree in Ireland, it has stood through the 1641 rebellion, the Cromwellian wars, the 1798 uprising and the Great Famine. Nearby, a grove of yews planted around 1740 forms the Yew Tree Walk, a shaded route linking the castle ruins to Dunganstown Church.
Dunganstown Church and the Hoey Vault
A short stroll from the castle, Dunganstown Church sits on the site of a late 12th-century Knights Templar foundation granted by Reginald Palmer. The Hoey family commissioned the church’s stained-glass windows, including The Parable of the Good Samaritan (O’Connor, 1872) and Christ Blessing Children (Catherine O’Brien). The family vault is located in the adjoining graveyard, and the date “1740” above the door marks the construction of the present tower.
St Kevin’s Lane and Local Craft Heritage
St Kevin’s Lane, originally planned as the main street for a planted town, winds through the landscape and connects to the “Doctor’s Avenue.” Local stories tell of a drunken doctor who drowned in a puddle along the lane, with his ghost said to appear on quiet evenings. Further along the trail, the site of Edward Hodgins’ 18th-century nursery marks where rare conifers and holly hybrids were cultivated for the National Botanic Gardens and Kew. A plaque commemorates his work, including the internationally recognised Dunganstown Holly. The trail also passes the old forge, operational from the 1600s until 1997. The stone rim for shaping cart wheels, the horseshoe cooling trough, and the original bellows remain visible, alongside a boundary marker separating the townlands of Dunganstown and Ballyflanigan.
Practical Information
Dunganstown Castle is private property; visitors should respect boundary walls and avoid trespassing. The heritage trail follows public footpaths and offers several designated viewing points from the roadside and lanes.
- Parking: Free public car parks are available in Arklow town centre and at the Brittas Bay visitor centre. Both provide easy access to the trail’s starting points.
- Access & Cost: The trail is free of charge and open year-round. Footpaths are unpaved and uneven in sections, particularly near the old forge and yew groves. The route is not suitable for wheelchairs or pushchairs.
- Maps & Guides: Detailed trail maps can be downloaded from the Wicklow Heritage Trail website. Printed copies are sold in Arklow shops.
- Best time to visit: Early morning or late afternoon provides softer light for photography and quieter paths. Winter months highlight the bare branches of the hornbeam and yew trees against the stone tower.
Nearby Attractions
After completing the trail, head into Arklow to visit the Arklow Maritime Museum for context on the region’s fishing and trade history. A short drive south leads to Brittas Bay, where a coastal lagoon and wide sandy beach offer a contrast to the inland woodland walk.
The trail takes approximately one to one and a half hours at a leisurely pace, and the interpretive signs provide enough detail to keep the walk engaging without requiring prior historical knowledge. Bring a light jacket for the coastal breeze and sturdy footwear for the unpaved lanes.