Ashtown Castle

Castle Medieval tower house in Dublin's Phoenix Park

A restored 15th-century tower house set inside Dublin’s Phoenix Park. Tourists stop by for medieval architecture, simple interiors and easy access to park walks and the park’s museums.

Main image

Ashtown Castle is a restored late-medieval tower house located within Phoenix Park in Dublin, presented today as a historic monument and small visitor site. It survives as an example of an Irish tower-house form and is displayed with interpretive material.

The site is compact - a fortified tower building with adjacent exhibition space that explains its architecture and past uses. Viewing is typically limited to the structure’s exterior and curated interior displays as part of scheduled visits.

The tower house dates to the late medieval period and has undergone conservation and restoration in the 20th century to preserve its structure for public presentation. It now functions as a small heritage attraction within Phoenix Park.

The castle stands in Phoenix Park, on the northwestern edge of central Dublin and a short distance from the River Liffey and the city centre.

  • Proximity to Áras an Uachtaráin: Located inside Phoenix Park close to the presidential residence, the castle is often visited together with other park attractions.
  • Visiting arrangements: Access and guided visiting periods are managed as part of Phoenix Park's visitor services; hours can be seasonal or limited to guided times.

What to See #

  • Tower house: A restored late-medieval tower house standing within Phoenix Park, presented to the public as an example of a 15th-century Irish tower house.
  • Visitor centre and interpretation: A small visitor facility and interpretation displays adjacent to the tower explain the structure's history and context within Phoenix Park.
Ashtown Castle
Ashtown Castle, Phoenix Park, Dublin 8, Ireland
53.3658, -6.3306
Free (located in Phoenix Park); guided tours occasionally offered by park authorities

How to Get to Ashtown Castle #

Located inside Phoenix Park, approximately 3 km northwest of Dublin city centre. From Heuston Station take bus routes that enter Phoenix Park or a 20-30 minute walk through the park from the city centre; the Ashtown Gate entrance is closest.

Tips for Visiting Ashtown Castle #

  • Enter Phoenix Park via the Ashtown Gate for the shortest walk to the castle ruins and visitor interpretation signs.
  • Combine a visit with the nearby Áras an Uachtaráin and the Dublin Zoo for a full half‑day in the park.
  • Visit late afternoon when light slants across the stone-photographers will find the tower far more photogenic then.

Best Time to Visit Ashtown Castle #

Best visited spring-autumn to combine with other Phoenix Park sites and to avoid winter winds.

Spring
March-May · 6-15°C
Bluebells and grazing deer; lighter crowds on weekdays.
Autumn
September-November · 8-14°C
Crisp air and golden light across the park's open lawns; fewer tourists than summer.

Weather & Climate near Ashtown Castle #

Climate

Ashtown Castle's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in January). Temperatures range from 2°C to 20°C. Moderate rainfall (734 mm/year), distributed fairly evenly throughout the year.

Air Quality: AQI 32 Good
Best Time to Visit
MayJuneJuly
Temperature & Rainfall
Temperature Range
24°
Warmest Month
-2°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 8°C and lows of 2°C. Moderate rainfall (68 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

68 mm
Rainfall
5.4 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.9h daylight

February

February is cold with highs of 8°C and lows of 2°C. Moderate rainfall (53 mm) and mostly overcast skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
90%
Humidity
Very Humid

Weather

53 mm
Rainfall
5.2 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.6h daylight

March

March is cold with highs of 10°C and lows of 3°C. Moderate rainfall (53 mm) and mostly overcast skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
88%
Humidity
Very Humid

Weather

53 mm
Rainfall
5.2 m/s
Wind
Light Breeze
0.4
UV Index
Low
11.7h daylight

April

April is cold with highs of 12°C and lows of 4°C. Moderate rainfall (52 mm) and mostly overcast skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
86%
Humidity
Very Humid

Weather

52 mm
Rainfall
4.6 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
13.8h daylight

May

May is cool with highs of 15°C and lows of 6°C. Moderate rainfall (53 mm) and mostly overcast skies.

66 Good

Comfort

11°
Feels Like Cool
11°C
Temperature
15°
84%
Humidity
Very Humid

Weather

53 mm
Rainfall
4.3 m/s
Wind
Light Breeze
1.2
UV Index
High
15.7h daylight

June

June is cool with highs of 18°C and lows of 9°C. Moderate rainfall (55 mm) and mostly overcast skies.

66 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
18°
84%
Humidity
Very Humid

Weather

55 mm
Rainfall
4.0 m/s
Wind
Light Breeze
1.5
UV Index
High
16.7h daylight

July

July is cool with highs of 20°C and lows of 11°C. Moderate rainfall (52 mm) and mostly overcast skies.

66 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 20°
85%
Humidity
Very Humid

Weather

52 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.3
UV Index
High
16.2h daylight

August

August is cool with highs of 20°C and lows of 11°C. Moderate rainfall (69 mm) and mostly overcast skies.

64 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°
86%
Humidity
Very Humid

Weather

69 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.1
UV Index
High
14.6h daylight

September

September is cool with highs of 17°C and lows of 9°C. Moderate rainfall (64 mm) and mostly overcast skies.

64 Good

Comfort

13°
Feels Like Cool
13°C
Temperature
17°
87%
Humidity
Very Humid

Weather

64 mm
Rainfall
4.3 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
12.5h daylight

October

October is cool with highs of 14°C and lows of 6°C. The wettest month with 74 mm of rain and mostly overcast skies.

56 Acceptable

Comfort

10°
Feels Like Cool
10°C
Temperature
14°
88%
Humidity
Very Humid

Weather

74 mm
Rainfall
4.7 m/s
Wind
Light Breeze
0.3
UV Index
Low
10.4h daylight

November

November is cold with highs of 10°C and lows of 3°C. Moderate rainfall (67 mm) and mostly overcast skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
90%
Humidity
Very Humid

Weather

67 mm
Rainfall
4.8 m/s
Wind
Light Breeze
0.1
UV Index
Low
8.4h daylight

December

December is cold with highs of 8°C and lows of 2°C. The wettest month with 74 mm of rain and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

74 mm
Rainfall
5.2 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.3h daylight

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