Overview and history
Royal Hillsborough is the only settlement in Northern Ireland to carry a royal prefix, granted in October 2021. It sits about 19 km south-west of Belfast in County Down, known locally by its Irish name Cromghlinn (‘crooked glen’). The title recognises a long connection to the Crown, reaching back to 1650, when Sir Arthur Hill built a fort here; the settlement was renamed Hillsborough in 1661.
The Hill family became Earls and then Marquesses of Downshire and shaped the village’s Georgian streets. Their lasting legacy is Hillsborough Castle, built in 1770 and Government House from 1924. Its State Rooms have hosted real turning points: the 1985 Anglo-Irish Agreement was signed in the State Drawing Room, and the castle featured in the talks that led towards the Good Friday Agreement. Benjamin Franklin visited in 1771, escorted through the grounds by Wills Hill.
Hillsborough Castle and gardens
The castle sits in 100 acres of grounds, and for most visitors the gardens are the better half of the day – especially as children enter free. Interior tours cover the State Rooms, where period furniture and portraits tell the story of state visits and negotiations. One catch worth knowing before you go: photography is welcome outdoors but cameras are not permitted inside, to protect the interiors.
Beyond the mansion the grounds open into a series of distinct spaces: the Walled Garden, whose flowers and vegetables supply the café; the Yew Tree Walk and Moss Walk; Lady Alice’s Temple, a stone folly framed by ponds; and the Lost Garden. Children have their own draw in the Imaginary Menagerie play trail, with storytelling stations along the way, and a Beano Hijinks event runs through summer 2026.
Hillsborough Forest and trails
A short walk from the castle gates, Hillsborough Forest wraps mixed woodland around a lake. Entry is free, dawn to dusk, which makes it the best-value outing in the village for birdwatchers, dog walkers and families. Three colour-coded trails run through it – the Lake Trail, the Fox Fort Trail past Fox Fort Rath, and the Digital Sculpture Trail, which uses a free app to place augmented-reality sculptures among the trees. Percy’s coffee cart usually parks up at the car park, and dogs are welcome.
Village life and dining
The village centre keeps a strong local character. The Square is home to The Plough Inn, a traditional pub with a two-course lunch and early-evening dinner, live acoustic music at weekends and a Thursday quiz night that pulls in regulars.
Walking the streets, you’ll pass the Monument to the 3rd Marquess of Downshire, a tall column modelled on Nelson’s, and St Malachy’s Parish Church (1760–1774), a fine piece of Gothic Revival with two historic organs and a peal of ten bells. In September the village turns to the Hillsborough International Oyster Festival – oysters, boat races, garden fêtes and parachuting displays. A Food Festival runs in August, and there are farmers’ markets across the year.
Practical information
Getting there and parking. Royal Hillsborough is reached easily from the A1; brown tourist signs point to the free car park at Weston Pavilion. There’s also free forest parking at the Park Street entrance, which fills up at weekends. Translink bus routes 238 and 38 connect Belfast and Newry with stops in the village, and a bus ticket earns 20% off castle and garden entry. A well-signposted footpath links the high street to the castle grounds.
Opening times and tickets.
- Castle tours run Wed–Sun 11:00–16:00 (closed Mon–Tue). Advance booking is strongly recommended, especially during school holidays; castle tour prices vary, so check the official website.
- Gardens open Wed–Sun 10:00–18:00 (closed Mon), last entry one hour before closing. Gardens-only entry is £11.00 adult, £5.50 child, members free.
- The forest is open daily, dawn to dusk.
Accessibility and dogs. Guide dogs are welcome throughout the castle and forest, and disabled toilets are at both. Most forest trails are level, and the steep section on the Fox Fort route can be bypassed. Dogs are permitted on the forest trails but not inside the castle.
When to visit. Late spring (April–May) brings the gardens into full bloom, while early September coincides with the Oyster Festival.
Nearby attractions
A short drive takes you to other County Down landmarks. Head to Bagenal’s Castle, a 16th-century tower house overlooking the River Bann, or follow the coast to Bangor, where a medieval abbey and busy marina sit by the shore.
If the castle-tour price gives you pause, do the gardens with the children (free) and the forest (free), and save the interior for a return trip – you’ll still fill the best part of a day for very little.