Free entry for everyone; no membership card is needed.
No charge for anyone.
Cadw says public car parks are signposted within the town with good access to the castle, and names the nearest parking (not Cadw's) by what3words: the Castle Dyke Street car park beside the RNLI lifeboat station, about 150 m from the castle, with picnic tables and electric charging points. The Wales Coast Path describes the car parks by the castle as free, and the council's tariff list leaves this one out; the council's pay and display car parks in town (Swan Street, 400 m) charge from 80p. One dedicated disabled space is about 100 m from the castle. Motorhome drivers mention a low railway bridge and a height barrier on the approach.
Driving pin: the Castle Dyke Street lifeboat station car park, 30 m from Cadw's nearest-parking what3words point and 156 m from Cadw's map marker. By road: Flint via the A548.
By rail: Flint station, 270 m, on the North Wales coast line. Daily buses link Flint with Chester, Holywell, Prestatyn and Rhyl. National Cycle Network route 5 passes the castle.
Flint Castle, Castell y Fflint, is the earliest and most unusual of the English-built castles of Wales, the first fortress of Edward I's campaign against Llywelyn ap Gruffudd and the start of his Iron Ring across the north. Begun in 1277 on the shore of the Dee estuary and largely complete by 1284, it has an almost square inner ward with round towers on three corners and, at the fourth, a great tower set apart in its own moat and reached by drawbridge, a castle within a castle built as a final refuge. Dafydd ap Gruffudd attacked it on Palm Sunday 1282, and in 1399 Richard II met Henry Bolingbroke here before losing his crown, a scene Shakespeare set in Richard II. Reviewers climb the spiral stair of the great tower for estuary views and find the paths easy and well kept. Dogs on short leads may explore the ground level, and the Wales Coast Path's Flint Marsh circular starts from the castle.
Free entry
Open 10am to 4pm all year, last admission 30 minutes before closing; closed 24, 25 and 26 December and 1 January. Cadw may close monuments at short notice in extreme weather. A visitor in August 2026 found the audio information buttons out of order.
Terrain level 2, easy: a tarmac path and footbridge lead in from the town side and the grassed wards are level, with a spiral staircase to the top of the great tower. Google reports a wheelchair-accessible entrance and parking. No toilets, cafe or shop at the castle; public toilets are in Flint. Drones are not permitted.
Dogs: Dogs on short leads are welcome on the ground level of the castle; the great tower's stair is for assistance dogs only.
Photo: Flint Castle's square inner ward and round corner towers from above, with the footbridge at the right and the Dee estuary and its salt marsh beyond. Gary Bealr, CC BY-SA 4.0. Source: https://commons.wikimedia.org/wiki/File:Flint_-_Flint_Castle_-_20220322133307.jpg. Licence: https://creativecommons.org/licenses/by-sa/4.0. Resized and cropped for display; derivatives retain the source licence.
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Dog access not confirmed
2.8 miles (4.5 km), short and easy, from Flint railway station via the castle, the Castle Walk path along the wooded shore, Flint Dock, Flint Point and Flint Marsh woodland; parking at the station, the castle and around town; free.
Dog access not confirmed
7 miles (12 km) linear from the free car parks by Flint Castle along the Dee estuary to Bagillt, Greenfield (Basingwerk Abbey) and St Winefride's Well at Holywell; very flat until a final climb; buses back to Flint, changing at Holywell from Greenfield.
