Loughlinstown Hospital viewed from Cherrywood
Loughlinstown Hospital viewed from Cherrywood Sarah777 / Wikimedia Commons / Public domain

Loughlinstown – a dolmen in the suburbs

📍 Dún Laoghaire–Rathdown, Dublin

🏛️ Attraction
🕒 Opening hours
Open year-round; outdoor sites free access at any time
🅿️ Parking
Street parking around the village; pay-and-display bays on weekdays.

Last updated: 10 July 2026

Overview

Loughlinstown packs a surprising amount of history into a south Dublin suburb: a 4,500-year-old portal tomb sitting in the middle of a housing estate, a Georgian country house raised over a medieval castle, and a famine workhouse that became a hospital. It sits on the N11 in Dún Laoghaire–Rathdown, about 14 km south-east of Dublin city centre, between the Dublin Mountains and the coast. That position makes it a practical base for day trips across County Dublin and into County Wicklow more than a destination in its own right.

A landscape layered with history

The village name comes from the Irish Baile Uí Lachnáin, ‘O’Laughnan’s town’, a Gaelic settlement that predates the Norman arrival. After the conquest the land passed to the Talbot family and later to the Goodmans, wardens charged with holding the southern edge of the Pale against the Wicklow clans. By the reign of Charles II it had been granted to Sir William Domville, Attorney General for Ireland; the Domville family held Loughlinstown for close to three centuries, until the estate was sold in the early 1960s.

The village also carries the weight of 19th-century social history. The Rathdown Poor Law Union built a workhouse on an eight-acre site just south of the village in 1841, designed for 600 inmates and pushed to nearly 800 during the Great Famine. The buildings now house St. Columcille’s Hospital, a major provider for south Dublin and Wicklow, and the grand entrance archway still stands. For generations a giant chestnut known simply as the Big Tree marked the Wyattville Road junction on the N11, until it was felled in the 1970s when the junction was widened.

Advertisement

What to see & do

  • Cromlech Fields portal tomb: a Neolithic dolmen of around 2,500 BC, a heavy capstone resting on upright supports. It also answers to Ballybrack Dolmen and the Hackettsland Cromlech, and despite its antiquity it sits on a green in the middle of the Cromlech Fields housing estate – freely accessible and quietly uncommercialised, an odd meeting of prehistory and 1970s cul-de-sac.
  • Loughlinstown House & grounds: the two-storey Georgian façade you see today, from the 1770s, wraps a late 17th-century core built by Sir William Domville, itself standing on the footprint of a medieval castle. The interior is closed to the public – the house is now the offices of Eurofound, the European Foundation for the Improvement of Living and Working Conditions – but the building and its woodland are visible from the road and make a pleasant, dog-friendly stroll.
  • DLR Leisure Loughlinstown: the local leisure centre, with a 25 m pool, gym and astro-turf pitches, plus swimming lessons and children’s camps. Casual swims run about €6 for an adult, €3.50 for a child and €15 for a family, and parking is free – a useful wet-day option if you’re travelling with kids.
  • St. Columcille’s Hospital grounds: the former workhouse grounds are open to the public, with flat, well-kept paths, landscaped gardens and the historic archway, a reflective short walk in the warmer months.

Walking, cycling & nature

Loughlinstown is more a jumping-off point than a walking destination in itself. The coast is the real draw: Killiney and Dalkey, with their cliff-top promenades and harbour walks, are a short bus or DART ride away, and the view from Killiney Hill over the bay is one of the best near the city. For car-free options, the hikes near Dublin without a car guide lays out several accessible routes in the area.

Getting there & practical information

Loughlinstown is well served by public transport, so it is easy to visit without a car. Dublin Bus routes 7, 7A, 84A, 145 and 155 run frequently, connecting the village to the city centre, Blackrock and Bray. The Luas Green Line stops at Cherrywood and Brides Glen, both a walk or short local bus from the village, with a direct link to Dublin’s main stops. The nearest DART station is Shankill, reachable on foot or by a quick bus east. By car, the M50/N11 junction is right beside the village.

Parking & accessibility

  • Street parking is available around the village, with pay-and-display bays on weekdays.
  • Main streets, bus stops and Luas stations are wheelchair accessible, and the hospital grounds and park paths are level and suitable for pushchairs and mobility aids.

Opening hours & admission

Outdoor heritage sites, including the Cromlech Fields portal tomb and the grounds of Loughlinstown House, are freely accessible year-round. The church and hospital operate during standard service and visiting hours. No admission fees apply to any of the public areas.

Pair a morning at the portal tomb with an afternoon on the Killiney cliffs, using the frequent bus and DART connections to move between the two.

What's on in Dublin

See all events in Dublin →