Narrow Water Castle Riverside Walk

A flat shoreline walk to a riverside tower house

From Warrenpoint you follow the shore path along the Newry River, keeping the water on your side the whole way. It is flat and easy, roughly 45 minutes to an hour out and back at a gentle pace, with no climbs or stiles. The reward at the far end is Narrow Water Castle, a three-storey tower house and bawn built around 1568, standing right on the bank where the river meets Carlingford Lough. Across the water the Cooley Mountains fill the view, and you will usually have boats, waders and gulls on the river for company. The castle interior is not always open, so treat this as a walk to admire the keep from the outside rather than a tour.

Free Flat shoreline path River and lough views 16th-century castle Cooley Mountains Dogs on leads

Good to know before you go:

This stretch of Carlingford Lough hosts seasonal guided walks, heritage open days and community events through the year, and a new active travel route and Narrow Water Bridge are extending the shoreline walking and cycling links. Check what is on before you travel.

What to bring

👟Good shoes or bootsShore paths can be rocky, uneven and a little muddy after rain.

🧥A coat or windproofThe coast is breezy — a fresh sea wind is half the fun of it.

💧Water and a snackThere is rarely a shop right on the path, so pack a little something.

🔭Binoculars or a cameraFor the seabirds, the seals and the big views across the water.

Everything before you go

Cost

Free walk

Parking

Car park off the A2 Newry Road; parking charges may apply, so bring change

Distance

Short shoreline walk between Warrenpoint and the castle; check exact distance before you go

How long to allow

Roughly 45 minutes to an hour there and back at a family pace

Difficulty

Easy; flat with no climbs

Terrain

Firm path and shoreline; can be uneven in places

Safety with kids

No cliffs, but keep children back from the river edge

Dogs

Welcome on the lead

Buggy-friendly

Mostly flat, but check the surface before you go as shoreline paths can be uneven

Toilets / food nearby

None at the castle; cafes, pubs and toilets in Warrenpoint, about 2km away

Address

Narrow Water Keep, Newry Road, Warrenpoint, County Down, BT34 3LE

Questions

Before you go

Is it free?

Free walk

How far is the walk?

Short shoreline walk between Warrenpoint and the castle; check exact distance before you go

How long should I allow?

Roughly 45 minutes to an hour there and back at a family pace

Can I bring the dog?

Welcome on the lead

Is it buggy-friendly?

Mostly flat, but check the surface before you go as shoreline paths can be uneven

Getting there

Narrow Water Castle Riverside Walk is at Narrow Water Keep, Newry Road, Warrenpoint, County Down, BT34 3LE. Car park off the A2 Newry Road; parking charges may apply, so bring change. Tap below for directions.

Directions on Google Maps See it on our map

Nearby

Make more of the day

More days out around WarrenpointSee what else is close by More coastal walks across NIBeaches, cliffs, harbours and headlands

The story

About this stretch of coast

Narrow Water has guarded this pinch-point for centuries. The first fortification here was a 13th-century Norman keep linked to Hugh de Lacy, first Earl of Ulster, built to control the narrow channel where the Newry River runs into Carlingford Lough.

The tower house you see today was raised by the Magennis family around 1568, a rectangular stone keep three or more storeys high with walls up to 1.5 metres thick. After damage in the 1641 rebellion the Hall family took over the estate in the 1670s and later built a grand mansion nearby. The original keep passed into state care in 1956.

The setting is the draw: County Down on one bank, the Cooley Mountains of County Louth across the water, and the lough opening out to the south. It is a quiet, watery corner with a long history written into the stone.