Flint Castle Castle

13th-century Welsh castle ruins beside the River Dee

13th‑century Edwardian fortress on the Dee estuary with ruined curtain walls and a tidal approach; popular for history walks, photography and estuary views.

Main image

Flint Castle at a Glance#

Address: Flint, Flintshire, Wales, United Kingdom

Website: https://cadw.gov.wales/visit/places-to-visit/flint-castle

Hours: Accessible daylight hours

Admission: Free (ruins)

About Flint Castle#

Flint Castle is a 13th-century Norman castle ruin located at the town of Flint in north Wales, built on the banks of the River Dee estuary. It was constructed on the orders of King Edward I during his campaigns in Wales.

The site comprises surviving curtain walls and masonry forming a compact medieval fortress sited to control the estuary approach. The castle is visited for its historical ruins, defensive earthworks and views over the Dee estuary and surrounding lowlands.

Flint Castle was erected by royal authority in the late 1200s as part of a chain of fortifications in north Wales and served as a military and administrative place through the medieval period. Over subsequent centuries it fell into ruin and now remains as a managed historic site and ruin.

The castle occupies a prominent position overlooking the River Dee in the town of Flint, Flintshire, on the northeastern edge of Wales, close to the English border and the Dee estuary.

  • Date and builder: Built as part of Edward I’s campaign to secure north Wales, constructed in the late 13th century between 1277 and 1284.
  • Viewpoints: Ruined walls and elevated positions give clear views across the River Dee estuary and the coastal plain.

How to Get to Flint Castle#

Flint Castle is in Flint, Flintshire. It is accessible by car from the A55 or by rail to Flint station, followed by a short walk. Parking is available near the town and the castle precinct.

Tips for Visiting Flint Castle#

  • Explore early for cooler temperatures and softer light on the castle ruins.
  • Wear good shoes-the site is cliffside with loose stone; cliffs below are sheer.
  • Read the plaques about the 13th‑century fortifications-the site's role in the medieval Welsh-English border struggles is well documented.

Best Time to Visit Flint Castle#

Best from late spring to early autumn for dry, safer access to cliffside sections.

Late spring-early autumn
May-Sept · 8-20°C
Warmer and drier weather for cliff-edge exploration.
Winter
Nov-Feb · 0-8°C
Dramatic seas and quieter footpaths; take care on exposed sections.

Weather & Climate near Flint Castle#

Climate

Flint Castle's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in February). Temperatures range from 1°C to 20°C. Moderate rainfall (683 mm/year).

Air Quality: AQI 32 Good
Best Time to Visit
MayJulyJune
Temperature & Rainfall
Temperature Range
26°
Warmest Month
-5°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor 2° - 7° 0° 58 mm overcast 91% 5.7 m/s 0.0 low 7.9h
February Poor 1° - 7° 0° 43 mm overcast 90% 5.7 m/s 0.1 low 9.6h
March Acceptable 3° - 9° 2° 55 mm overcast 88% 5.6 m/s 0.3 low 11.7h
April Acceptable 4° - 12° 5° 46 mm overcast 85% 4.8 m/s 0.7 moderate 13.8h
May Good 6° - 15° 11° 44 mm overcast 82% 4.6 m/s 1.1 high 15.7h
June Good 10° - 18° 14° 54 mm overcast 83% 4.5 m/s 1.3 high 16.7h
July Good 12° - 20° 16° 47 mm overcast 83% 4.5 m/s 1.2 high 16.2h
August Good 11° - 20° 16° 62 mm overcast 85% 4.4 m/s 1.0 moderate 14.6h
September Good 10° - 17° 13° 65 mm overcast 85% 4.5 m/s 0.6 moderate 12.5h
October Acceptable 7° - 14° 10° 71 mm overcast 88% 5.0 m/s 0.2 low 10.4h
November Acceptable 4° - 10° 4° 72 mm overcast 90% 5.1 m/s 0.1 low 8.4h
December Poor 3° - 8° 2° 66 mm overcast 92% 5.3 m/s 0.0 low 7.3h