Walks & Trails in County Dublin

Four of the entries below are really the same walk approached from different ends. Ringsend, the Great South Wall, the Poolbeg Chimneys and Poolbeg Lighthouse all sit on the man-made peninsula that runs four kilometres out into Dublin Bay. Walk it once and you have covered the lot: level granite the whole way, with nothing between you and the weather.

A second cluster runs along the foot of the Dublin Mountains, south of the city. Marlay Park in Rathfarnham is 300 acres of former demesne, with a walled garden, a craft courtyard and the start of the Wicklow Way. Stepaside adds Fernhill Park and Gardens and the climb up Three Rock Mountain. Bohernabreena’s two Victorian reservoirs sit in the Glenasmole Valley, 3.5 km southwest of Tallaght, with two easy waymarked loops around the water.

Transport shapes most of the rest. The Black Linn Loop begins at Howth DART station and needs no car at all, 8.1 km up the cliffs to the summit and back down the line of the old tram, about two and a half hours. The Dublin Coastal Trail strings eleven villages along 64 km of shoreline and follows the DART, so you can walk a stretch and take the train home. Milltown’s Dodder path is on the Luas Green Line. In poor weather the city centre and the Georgian Quarter still hold up; the cliff and sea wall walks do not.

Where to start

  1. Marlay Park – walks, gardens and gigs Rathfarnham

    A 300-acre former demesne at the foot of the Dublin Mountains, with a walled garden, a craft courtyard and the start of the Wicklow Way.

  2. Black Linn Loop – Howth cliff walk Howth

    Howth's car-free cliff walk climbs 8.1 km from the DART station to the summit and back, roughly two and a half hours with seals below.

  3. Bohernabreena – Glenasmole reservoir walks 3.5 km southwest of Tallaght

    Two easy waymarked loops around Victorian reservoirs in the Glenasmole Valley, free to walk, with kingfishers, dippers and herons on the water.

  4. Dublin city centre – walk the lot Dublin

    A square mile you can cross on foot in twenty minutes, holding a Viking castle, four free national museums and Ireland's oldest pub.

  5. Dublin Coastal Trail – the bay by DART Dublin

    Sixty-four kilometres of shoreline linking eleven seaside villages, tracking the DART line so you can walk a stretch and train back.

23 of 23 shown — tap a pin for the place.

Sea swimming, Seapoint, Co Dublin
Sea swimming, Seapoint, Co Dublin Courtesy Paola Floris, Failte Ireland

Dublin Coastal Trail – the bay by DART

Dublin, dublin

The Dublin Coastal Trail links eleven seaside villages along 64 km of shoreline that follows the UNESCO-designated Dublin Bay Biosphere, from Skerries in the north to Killiney in the south. Because it tracks the DART and Irish Rail lines, you can hop on and off at any stop for a car-free day out. A 2025 extension added five more places, bringing the total to sixteen.

🌳 Outdoor 🐕 Dogs Welcome
National Gallery of Ireland, Milltown Wing, Merrion Square, Dublin City
National Gallery of Ireland, Milltown Wing, Merrion Square, Dublin City Courtesy National Gallery of Ireland

Milltown – Dodder walks and the Nine Arches

Dublin, dublin

Milltown is a quiet Dublin 6 suburb on the River Dodder, about fifteen minutes from St Stephen's Green on the Luas Green Line. The draw is the riverside path, which runs under the 1854 Nine Arches Viaduct, now carrying the Luas, and joins the Dodder Greenway toward the mountains. Add a coffee at Wilde & Green or a pint at The Dropping Well and you've had the best of it.

🌳 Outdoor 🐕 Dogs Welcome
Royal Canal near Phibsborough, Dublin City
Royal Canal near Phibsborough, Dublin City Courtesy Gareth McCormack, Failte Ireland

Royal Canal – Ireland's longest greenway

Dublin, dublin

The Royal Canal Greenway is the longest in Ireland – 130 km of level towpath from Maynooth to Cloondara, where the canal meets the Shannon. It follows a waterway built between 1790 and 1817, past working locks, stone bridges, the reputedly haunted 13th lock at Deey Bridge, and cafés in Maynooth, Enfield and Mullingar.

🌳 Outdoor 🅿️ Free Parking 🐕 Dogs Welcome

Questions people ask

Which of these walks can I do without a car?
The Black Linn Loop starts at Howth DART station. The Dublin Coastal Trail follows the DART and Irish Rail lines, so you can hop off at any stop. Milltown sits on the Luas Green Line, and the city centre and Georgian Quarter are walked door to door.
Are Ringsend, the Great South Wall and Poolbeg three separate walks?
They are one outing described from three angles. Ringsend is the approach on the mainland, the Great South Wall is the granite causeway running over four kilometres into the bay, and the red Poolbeg Lighthouse is the turning point. The chimneys are the backdrop, not a stop.
Which walks suit young children?
Marlay Park has two playgrounds, playing pitches and level paths across the demesne. Fernhill Park and Gardens at Stepaside covers 34 hectares of former estate. The Bohernabreena loops are easy going. The Howth cliff path has unrailed edges, so keep well back with small children.
Where do I go for a long flat walk?
The Royal Canal Greenway is the longest in Ireland, 130 km of level towpath from Maynooth to Cloondara, past working locks and stone bridges. Closer to the bay, the Great South Wall is flat the whole way out, and the Dublin Coastal Trail can be taken in short stretches.
How does the weather change these walks?
The sea wall at Poolbeg and the Howth cliffs are fully exposed, with no shelter and a hard edge in wind or low light. The Glenasmole reservoir loops sit down in a glacial trench, and the Dodder path at Milltown and the city centre routes are the wet-day options.

← All things to do in County Dublin

Book tours & tickets

Powered by GetYourGuide

We may earn a commission if you book through this link, at no extra cost to you.

Book tours, skip-the-line tickets and day trips with GetYourGuide. Free cancellation on most experiences.

See tours & tickets in County Dublin →
Advertisement