Castles in County Limerick

Most of what survives here was built by two families. The Earls of Desmond raised Askeaton, Adare, Bourchier’s and Portrinard; the Fitzgeralds left the roofless tower at Castlemahon. The Normans got there first, and King John’s Castle on King’s Island is where that story is told properly, with drum towers you can climb for views over Limerick City and archaeology laid out under the courtyard.

The city holds two of the eight. King John’s and Fanning’s Castle, the last surviving tower house in Limerick, both sit on King’s Island within a short walk of each other, so a morning covers the pair. Everything else needs a car. Askeaton stands on a rock in the River Deel in the middle of town, closed for conservation but visible and worth the stop; Adare Castle is ten minutes further and runs guided shuttles from the Heritage Centre between June and September, which is the only way in. Bourchier’s Castle is a few minutes from Adare on the Lough Gur shore, closed inside but easily seen from the lakeshore paths.

The far west is a separate run. Castlemahon sits near Newcastle West, and Portrinard, burned out in 1580, is an open-air stop on the Limerick Greenway near Abbeyfeale. Castle Oliver is south, near Ardpatrick, and is a private house, so the exterior and gate lodge are what you see.

Where to start

  1. King John's Castle – Limerick's Norman fort Nicholas Street

    A 13th-century Norman fortress over a Viking settlement on the Shannon, with costumed guides, hands-on archaeology and drum towers you can climb.

  2. Castle Oliver – a Victorian mock-castle Upper Sunville

    A red-sandstone Scottish-Baronial pile built in the 1840s by two sisters, still a private home, so the terraces and gate lodge are the draw from the road.

  3. Askeaton Castle – a Desmond stronghold Askeaton

    A Desmond stronghold on a rock in the River Deel with one of Ireland's finest medieval banqueting halls, striking even while closed for conservation.

  4. Adare Castle – the Desmond stronghold Adare

    A square keep with a deep moat and working drawbridge on the Maigue, reached only by guided shuttle from the Adare Heritage Centre in summer.

  5. Bourchier's Castle Adare

    A five-storey Desmond tower house on the shore of Lough Gur, closed inside but plainly seen from the lakeshore footpaths near the stone circle.

7 of 8 shown — tap a pin for the place.

Questions people ask

Which Limerick castles can you actually go inside?
King John's Castle in the city is the one full visitor attraction, with exhibitions, costumed guides and tower access. Adare Castle can be entered on a guided shuttle tour from the Adare Heritage Centre, June to September. Askeaton and Bourchier's are closed to the public, and the rest are ruins seen from outside.
Can I see any of these without a car?
King John's Castle and Fanning's Castle are both on King's Island in Limerick City and within walking distance of the centre and of each other. The other six are spread across the county, at Askeaton, Adare, Lough Gur, Castlemahon, Abbeyfeale and Ardpatrick, and all need a drive.
What is the connection between so many of them?
The Earls of Desmond. Askeaton, Adare, Bourchier's and Geraldine Portrinard were all Desmond strongholds, and Castlemahon is a Fitzgerald tower house of the same family line. Portrinard was burned by Sir William Pelham's forces in 1580 during the Second Desmond Rebellion.
When should I go if I want the guided Adare tour?
Adare Castle only opens by shuttle from the Adare Heritage Centre between June and September, so a summer visit is the one that works. Outside those months you can still see the keep, moat and drawbridge from the riverbank, and Bourchier's Castle at Lough Gur is nearby year-round.
Is there a castle worth combining with a walk or cycle?
Geraldine Portrinard, known locally as Purt Castle, sits on the River Feale about 2 km from Abbeyfeale and is a free, open-air stop on the Limerick Greenway. Bourchier's Castle also suits a walk, on the Lough Gur lakeshore paths beside the stone circle and crannogs.

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