A free public forest park in the heart of the Georgian village of Hillsborough — a lake with a walkable circuit, woodland and lakeside trails, and a 17th-century artillery fort in the trees, with Hillsborough Castle right next door.
What you'll see and do — Hillsborough Lake and its circuit walk, waymarked woodland and lakeside trails with wooden footbridges, the 17th-century Hillsborough Fort in the trees, a modern woodland play park for the kids, and the pretty village and castle right alongside.
The lake walk — an easy, mostly level circuit around the water, roughly a mile (about 2km), said to take around an hour at a gentle stroll. The main paths are surfaced and buggy-friendly; some woodland offshoots are softer underfoot.
How long — allow one to two hours for the lake and the fort, longer if you pair it with the village and the castle for a full day out.
Price — completely free, and the car park is free too. No tickets, no booking — you just turn up.
Bring & food — comfy shoes (paths can be muddy after rain); a coffee kiosk usually runs at the car park, and the village of Hillsborough is a two-minute walk away with cafés, pubs and restaurants.
Parking & dogs — a free car park off Park Street (it fills up on sunny weekends); dogs are welcome, kept under control near the lake wildlife.
The lake circuit is the main walk. It's lovely and easy, but it can get muddy after rain on the softer stretches — grippy shoes or wellies for little ones.
Pair it with the village and the castle. The Georgian village and Hillsborough Castle & Gardens sit right next door — the forest is free, but the castle is a separate, ticketed attraction.
Plan your visit
Can I just turn up? Yes — it's free.
The forest and lake are free to visit, and there's a free car park off Park Street — no tickets and no booking for a normal walk. The park is open dawn to dusk, every day, so the hours stretch long in summer and shorten in winter. The children's play park keeps its own seasonal opening times, so if that's the main draw, it's worth checking before you set off. The car park can fill up on sunny weekends and school holidays, with overflow parking at busier times.
Coffee kiosk at the car parkToilets on siteLevel lakeside pathsPicnic benches & viewpointsDogs welcome (under control)
Two to remember:
The lake is a designated wildlife sanctuary, so you'll often see swans and ducks on the water — keep dogs under control near the shore. And the forest is free, but Hillsborough Castle & Gardens next door is a separate, ticketed attraction, so budget for that if you fancy both.
Before you set off
What to wear & bring
🥾Comfy shoes or welliesThe lake circuit is easy, but softer woodland stretches can be muddy after rain — grippy shoes for the little ones.
🧥A coat, whatever the sky's doingRain makes the lake and the trees glow, and there's shelter under the canopy — a light coat means the weather is never a reason to stay in.
🦆A little something for the walkA coffee kiosk usually runs at the car park, and the village is a two-minute stroll for a proper café or lunch.
🚼The buggy — an ordinary one is fineThe main lakeside paths are level and surfaced, so a normal stroller manages the circuit comfortably.
Good to know
Everything before you go
Cost
Free to visit, and the car park is free too. No tickets and no booking for a normal walk. (Hillsborough Castle & Gardens next door is a separate, paid attraction.)
Hours
Open dawn to dusk, every day — long summer evenings, earlier in winter. The children's play park keeps its own seasonal hours. Best to confirm on the day.
What you'll see
Hillsborough Lake and its circular lakeside walk (roughly a mile / about 2km), waymarked woodland and lakeside trails with wooden footbridges, the 17th-century Hillsborough Fort, a modern woodland play park, picnic benches and lakeside viewpoints. The lake is a wildlife sanctuary with swans and other waterfowl.
The fort
Hillsborough Fort is a 17th-century artillery fort, said to have been built by the Hill family — who founded the village — around 1650 to guard the old Carrickfergus-to-Dublin road, and later made a royal fort. It sits within the forest and is cared for as part of the Hillsborough Castle estate; you can walk up to the walls and gatehouse.
Fishing
Hillsborough Lake is a stocked trout fishery — fishing is by permit only, and anglers need the relevant rod licence and permit.
Food
A coffee kiosk usually operates at the car park. For a proper meal, the village of Hillsborough is a two-minute walk away, with cafés, pubs and restaurants.
Toilets
Toilets on site at the car park.
Dogs
Dogs are welcome — it's a popular dog-walking spot. Keep them under control near the lake wildlife and busy paths.
Accessibility
The main lakeside paths are surfaced and mostly level, so they're among the friendlier forest walks for buggies and wheelchairs, with accessible parking. Some woodland offshoots are rougher going.
How long
Allow one to two hours for the lake and the fort — longer if you pair it with the village and Hillsborough Castle for a full day.
Questions
Before you go
Is there a charge?
No — the forest and lake are free to visit, and the car park is free too. There's no ticket and no booking for a normal walk. Just note that Hillsborough Castle & Gardens next door is a separate, paid attraction.
Can I get a buggy or wheelchair round?
Yes — the main lakeside paths are surfaced and mostly level, so an ordinary buggy or a wheelchair manages the lake circuit comfortably. Some of the woodland offshoots are rougher, so stick to the main paths for wheels.
How long is the lake walk?
The circuit around the lake is roughly a mile (about 2km) and said to take around an hour at a gentle stroll. There are longer routes through the wider forest if you want to stretch the day out.
Can I visit the fort?
Yes — Hillsborough Fort sits within the forest, and you can walk up to its stone walls and gatehouse. The 17th-century artillery fort is thought to have been built by the Hill family around 1650; it's cared for as part of the Hillsborough Castle estate.
Is there food on site?
A coffee kiosk usually runs at the car park. For a proper lunch, the village of Hillsborough is a two-minute walk away, with cafés, pubs and restaurants — a lovely spot to round off the visit.
Can I bring the dog?
Yes — it's a popular dog-walking spot and dogs are welcome. Keep them under control, especially near the lake wildlife and on busier paths.
Getting there
Hillsborough Forest, Park Street, Hillsborough, County Down, BT26 6AL — the free car park is just off the village, a short walk from Main Street. From Belfast, take the M1 to Sprucefield, then the A1 to Hillsborough.
Hillsborough owes its shape to the Hill family, the planters who laid out the village in the 1600s and gave it their name. Around 1650, the story goes, Colonel Arthur Hill raised an artillery fort on the rise above what is now the forest — built to guard the old road between Carrickfergus and Dublin. It was later made a royal fort by Charles II, and tradition holds that William of Orange rested here on his way to the Boyne in 1690. Today its stone walls and gatehouse still stand in the trees, cared for as part of the Hillsborough Castle estate.
The lake below was shaped as part of the same great demesne, and the woods around it became the wildlife sanctuary you walk today — swans on the water, foxes and badgers in the trees. Now owned by the Forest Service, with paths, play park and car park run by the local council, the whole forest is free for everyone to wander. And just up the hill sits the Georgian village itself — the elegant courthouse in The Square, St Malachy's Church, and Hillsborough Castle, the official royal residence in Northern Ireland — a rare thing: a proper forest, a fine old fort and a picture-book village, all in one easy visit.