Dublin's day-trip map runs northwest to the Boyne Valley and Trim, south into the Wicklow Mountains, southwest to Kilkenny and Waterford, and north along the coast to Carlingford. Trim is 55 minutes by car; Glendalough is 1h 10m south on the N11. The round trip decides what fits: Trim and Glendalough keep the drive under two and a half hours; Dunmore East at four hours needs an earlier start. Two picks, Kinsale and Inishmore, are accessible by short domestic flight rather than drive.
All costs in this post are in euros (EUR, €). Every drive time was checked against a routing source, labeled one-way in typical traffic. The cost is an honest same-day estimate for two: fuel or airfare, entries or admission, and a meal. No hotel bill, because that is the whole point.
The getaways, mapped
Every pick around Dublin, numbered to match the table — with the drive and cost.
The short list
| Destination | Cost for two (day) | When to go | |||
|---|---|---|---|---|---|
| Trim | ~55m · 46 km | ~1h 50m | Largest Norman castle in Ireland | €95–130 | April |
| Glendalough | ~1h 10m · 68.1 km | ~2h 20m | Monastic ruins + mountain lakes | €95–130 | September |
| Carlingford | ~1h 25m · 110 km | ~2h 50m | Medieval town + lough oysters | €100–150 | August |
| Kilkenny | ~1h 35m · 128.5 km | ~3h 10m | Medieval city + castle | €100–160 | May |
| Dunmore East | ~2h · 170.5 km | ~4h | Fishing village + coastal coves | €110–160 | July |
| Kinsale | ~1h by air | n/a | Walled harbour town + seafood | €210–300 | June |
| Inishmore | ~45m by air | n/a | Aran Islands + Dún Aonghasa | €190–290 | August |
The first five are drive picks. Trim and Glendalough keep the round trip under two and a half hours. Kilkenny at just over three hours is a full-day medieval city trip. Dunmore East at four hours needs an early start. Kinsale and Inishmore require short domestic flights and are longer commitments in cost.
Best for medieval history
Glendalough and Trim are the closest and most distinct day trips from Dublin: both under two hours of driving and each with a landscape that has no equivalent closer to the city.
Trim
About 55 minutes northwest on the M3 and R154, Trim Castle is the largest Anglo-Norman castle in Ireland: a 70-metre curtain wall enclosing a 21-metre stone keep built from 1176 by Hugh de Lacy. The yellow tower of the St Mary's Abbey across the Boyne, the Yellow Steeple, dates to 1368 and stands at 38 metres. The section of medieval town wall visible along Trim's lanes is the longest intact medieval town wall in Ireland, running 450 metres around the original settlement. The castle was used as a filming location for Braveheart (1995). April, when the Castle's riverside grounds open for the season.
Trim
Glendalough
About one hour and ten minutes south on the N11 and R755, Glendalough sits in a glacial valley in the Wicklow Mountains where St Kevin established a monastic settlement in the 6th century. The monastic city within the walled enclosure includes a 30-metre round tower, the 9th-century Cathedral of St Peter and St Paul, and St Kevin's Kitchen, a 12th-century barrel-vaulted oratory with a stone bell tower. Upper and Lower Lough Dan, the twin glacial lakes that give the valley its name, are accessible from the Visitor Centre. The Spinc ridge walk (7.5 km) above the south wall of the valley provides views over both lakes and the surrounding Wicklow blanket bog. September for the heather bloom on the ridges.
Glendalough
Kilkenny
About one hour and 35 minutes southwest on the M9, Kilkenny is the most intact medieval city in Ireland. Kilkenny Castle, built by William Marshal in 1195 on a ridge above the River Nore, is open daily and includes the Long Gallery with its Victorian pre-Raphaelite ceiling. The medieval streetscape along High Street, Parliament Street, and the Butter Slip alley lane retains much of its 14th-century plan. St Canice's Cathedral, the second-longest medieval cathedral in Ireland, has a 9th-century round tower at its entrance that is climbable for views over the city. The Smithwick's Brewery, operating on a Franciscan friary site since 1710, has an experience tour on Parliament Street. May, when the Kilkenny Arts Festival circuit opens the castle grounds.
Kilkenny
Best for the coast
Carlingford
About one hour and 25 minutes north on the N1 and R173, Carlingford sits on the southern shore of Carlingford Lough at the point where the Cooley Mountains meet the water. King John's Castle, built in the late 12th century, stands on a promontory directly above the lough, its twin towers and curtain wall visible from the approach road. Carlingford Lough's oysters, grown on the tidal flats in the sheltered water between the Cooley and Mourne Mountains, are served in the village's pubs and restaurants directly off the boats. The Carlingford Lough Greenway trail runs 14 kilometres along the south shore of the lough from Carlingford toward Omeath. August, when the oyster season and the summer light on the Mournes are at their best.
Iconic eats: Carlingford Lough Oyster
Carlingford
Dunmore East
About two hours southwest on the M9 and R683, Dunmore East is a working fishing village in County Waterford on the Hook Peninsula at the mouth of Waterford Harbour. The village's thatched cottages line the cliff above the harbour where the commercial fishing fleet anchors; the Strand coves on either side of the headland have calm swimming water accessible via short cliff paths. The Hook Lighthouse, 20 minutes west at Hook Head, dates to the 12th century and is one of the oldest operational lighthouses in the world. The three-strand coastline around Dunmore East is one of the most accessible stretch of the Waterford Greenway. July, when the cove swimming is at its warmest.
Dunmore East
Short domestic flights
Both picks below require a short Aer Lingus Regional or Emerald Airlines flight from Dublin Airport rather than a drive, typically 45–60 minutes in the air and in a different cost bracket from the drive picks.
Kinsale
About one hour by domestic flight to Cork Airport and 30 minutes by car from Cork into Kinsale, this medieval harbour town in County Cork is one of the most celebrated seafood destinations in Ireland. Kinsale's Gourmet Festival in October draws chefs and producers to the harbour-front restaurants. Charles Fort, a 17th-century star-shaped fortification at the harbour mouth, is a National Monument with intact bastions and barrack buildings. The Desmond Castle on Cork Street houses the International Museum of Wine, an unusual combination for an Irish fortification, but the building was used by French wine merchants in the 18th century. June, when the harbour restaurants open their outdoor terraces.
Kinsale
Inishmore
About 45 minutes by Aer Lingus Regional flight from Dublin to Inis Mór (Inishmore), the largest of the Aran Islands in Galway Bay, Inishmore preserves one of the most intact Iron Age archaeological landscapes in Western Europe. Dún Aonghasa, a semi-circular stone fort on a 100-metre cliff above the Atlantic, dates to around 1100 BCE and is accessible via a 2-kilometre uphill path. The Black Fort at the south end of the island and the Worm Hole, a natural rectangular tidal pool carved into the limestone plateau, are within cycling distance. The island has no traffic lights; bicycles are available for rent at the ferry landing in Kilronan. August, when the island's summer music and festival season runs.
Inishmore
Getting there and getting around
Drive picks leave from Dublin on the M3 northwest for Trim, the N11 south for Glendalough, the N1 north for Carlingford, or the M9 southwest for Kilkenny and Dunmore East. Glendalough is accessible by Dublin Bus route 65 from Baggot Street Bridge for those without a car. Kilkenny has frequent Bus Éireann and Expressway services from Busáras.
The M50 orbital around Dublin backs up on weekday mornings and Sunday evenings. M3 and M9 departures before 9 AM clear the city cleanly. The Wicklow Mountain roads south of Enniskerry narrow considerably; driving toward Glendalough on summer weekends takes an extra 20–30 minutes through Laragh. Dublin Airport domestic flights to Cork and the Aran Islands depart Terminal 2; Aer Lingus Regional and Emerald Airlines share the route.
Common questions
What's the best day trip from Dublin? Glendalough at 1h 10m for the monastic ruins and Wicklow Mountains, or Trim at 55 minutes for the largest Norman castle in Ireland.
Is Kilkenny worth a day trip from Dublin? Yes, about 1h 35m southwest. Kilkenny Castle, the medieval streetscape, and St Canice's Cathedral fill a full day.
What's the closest day trip from Dublin? Trim, about 55 minutes northwest: the largest Anglo-Norman castle in Ireland and the longest surviving stretch of medieval town walls.
What's a good nature day trip from Dublin? Glendalough for the Wicklow Mountain valley and the Spinc ridge walk above the two lakes.
What's a good coastal day trip from Dublin? Carlingford at 1h 25m for the lough oysters and King John's Castle. Dunmore East at 2 hours for the Waterford coastal coves and Hook Lighthouse.
How much does a day trip from Dublin cost for two? Drive picks run €95–160. Kinsale and Inishmore, which require short domestic flights, run €190–300 with airfare included.
The bottom line
The best day trip from Dublin is the one whose round trip leaves time to use the day. Trim and Glendalough at under two and a half hours are the closest complete picks. Carlingford adds a lough and coast element. Kilkenny at just over three hours is the most complete medieval city day. Dunmore East earns the four-hour round trip for the coastal coves and the lighthouse. Kinsale and Inishmore are the flight picks for days when the drive range isn't enough. Plan your day trip free and the planner ranks these for your exact date, group, and budget.
Browse more day trips by city, or for an overnight see the weekend getaways from Dublin.
Drive times verified against routing sources August 2026; confirm site opening hours and domestic flight schedules before you travel.
Written by
NamrataPhotos from Wikimedia Commons, used under Creative Commons licenses