County guide · The Castle Rolls
Best castles in North Wales
20 castles across North Wales, including three of Edward I's Welsh castles - Conwy, Caernarfon and Beaumaris - built after 1283 to hold a newly conquered region. Beside the River Clwyd, Rhuddlan takes a diamond plan on a river Edward had canalised so supply ships could come right up to the walls.

Map
Every castle on this list - 20 in total, 7 free to enter, 5 you can stay overnight in

Conwy Castle
Conwy
World Heritage Site; eight-towered Edwardian castle with town walls

Caernarfon Castle
Gwynedd
World Heritage Site; Edward I's fortress-palace, walls and towers largely complete

Beaumaris Castle
Isle of Anglesey
World Heritage Site; unfinished concentric castle with moat

Harlech Castle
Gwynedd
World Heritage Site; clifftop Edwardian castle with floating bridge entrance

Chirk Castle
Wrexham
Edwardian-era marcher fortress, inhabited 700 years

Penrhyn Castle
Gwynedd
19th-century neo-Norman castle

Gwrych Castle
Conwy
19th-century Gothic Revival mansion under active restoration since 2018; filming location for I'm A Celebrity...Get Me Out of Here!

Criccieth Castle
Gwynedd
Welsh princes' castle on headland over Cardigan Bay

Ruthin Castle
Denbighshire
Hotel and spa amid genuine medieval ruins

Bodelwyddan Castle
Denbighshire
Museum closed 2019; Warner bought castle 2021, adults-only hotel

Rhuddlan Castle
Denbighshire
Edward I diamond-plan castle beside canalised River Clwyd; seasonal opening

Castell Dinas Bran
Denbighshire Free entry
Hilltop ruin above Llangollen; free, steep walk

Flint Castle
Flintshire Free entry
First of Edward I's Welsh castles; detached great tower; free

Dolbadarn Castle
Gwynedd Free entry
Welsh princes' round tower overlooking Llyn Padarn, Llanberis; free

Denbigh Castle
Denbighshire
Hilltop castle with triple-towered gatehouse and town walls

Ewloe Castle
Flintshire Free entry
Hidden Welsh castle in woodland; 500m walk across farmland; free

Castell y Bere
Gwynedd Free entry
Remote native Welsh castle below Cadair Idris; free

Dolwyddelan Castle
Conwy Free entry
Llywelyn the Great's keep; free; interior open seasonally Fri-Sun

Gwydir Castle
Conwy
Self-guided visits Wed/Fri/Sun in season; two B&B rooms

Caergwrle Castle
Flintshire Free entry
Hilltop castle of Dafydd ap Gruffudd; recent Cadw guardianship; free
Common questions
How many castles are there in North Wales?
This roll lists 20 visitable castles, fortresses and tower houses in North Wales. Of those, 7 are free to enter and 11 charge admission.
Which castles in North Wales are free to visit?
7 of the 20 castles in North Wales are open-access sites with no admission charge, including Castell Dinas Bran, Flint Castle, Dolbadarn Castle, Ewloe Castle, Castell y Bere and Dolwyddelan Castle.
What is the best-rated castle in North Wales?
Castell Dinas Bran carries the strongest public rating of any castle in North Wales on this roll - 4.8/5 from 1,349 Google reviews.
Can you stay overnight in a castle in North Wales?
Yes - 5 of the castles listed here offer overnight stays, including Chirk Castle, Gwrych Castle, Ruthin Castle and Bodelwyddan Castle.
Can you reach any castle in North Wales by train?
10 of the 20 sit within 1.5 miles of a railway station, the closest being Harlech Castle (Harlech, 0.1 miles), Caergwrle Castle (Caergwrle, 0.2 miles), Flint Castle (Flint, 0.2 miles) and Conwy Castle (Conwy, 0.2 miles). Those are straight-line distances from the station to the castle, so the walk on the ground is longer than the figure.
Can you go inside every castle in North Wales?
Not all of them on the same terms. 2 of the 20 restrict what a visitor can see. Ruthin Castle and Bodelwyddan Castle are hotels, so there is no way in without booking a room or a table.