Castle · Caerphilly · Gwent

Caerphilly Castle

Caerphilly Castle is a castle in Caerphilly. Its status is a scheduled monument. A short trip away is National Museum Cardiff, 10 km off, the first of 86 within 15 km.

Where

In Caerphilly

inside the built-up area

Run by

Cadw

a national heritage body

How well known

Top 2%

#107 of 8,556 places we list

Warmest months

Jun–Sep

highs of 18–21°C

In brief

Castle in Caerphilly

One of the best-known places to visit in England, Scotland, Wales and Northern Ireland

#107 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (26 Wikipedias). About ↓

Inside Caerphilly

Caerphilly Castle is inside Caerphilly’s built-up area, with 3 more places to visit within 5 km. Towns near it ↓

Cared for by Cadw

One of the places Cadw looks after; members usually get in free. About ↓

Scheduled monument

On the official list of protected heritage; Caerphilly has 17 listed buildings in all, on its History page. About ↓

Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.

When to go

If warmth matters, go June to September: Caerphilly reaches 18–21°C.

Jan8° / 2°162 mm

Feb8° / 1°117 mm

Mar10° / 3°105 mm

Apr13° / 4°86 mm

May17° / 7°89 mm

Jun19° / 10°86 mm

Jul21° / 12°97 mm

Aug21° / 12°117 mm

Sep18° / 10°106 mm

Oct14° / 7°154 mm

Nov10° / 4°159 mm

Dec8° / 2°171 mm

Green months are the warmest. Typical afternoon highs and night lows in Caerphilly, and rain in a month. Met Office HadUK-Grid 1991–2020 averages for Caerphilly. Opening times change through the year: check before you go. Caerphilly’s full climate →

About

Caerphilly Castle

It is looked after by Cadw. Articles on it exist in 26 languages.

Caerphilly’s listed buildings and monuments →

Type: Castle
Run by: Cadw
Listed: Scheduled monument
Wikipedias: Covered in 26 languages
Town: in Caerphilly
Official site: britishlistedbuildings.co.uk/wa-13539-caerphilly-castle-caerphilly

Facts: Wikidata (CC0) and OpenStreetMap (© OpenStreetMap contributors).

The map

Getting to Caerphilly Castle

Numbered points are the places near Caerphilly Castle, which is in orange.

Towns near it

Towns around Caerphilly Castle, by distance

By population, Cardiff leads the 8 with 348,511. Closest first, each of these towns names it on its page.

1 · It’s in town

Caerphilly

33,104 people · 7 places to visit

2 · 1.6 km northeast of it

Bedwas

6,463 people · 6 places to visit

3 · 2.1 km southwest of it

Nantgarw

815 people · 8 places to visit

4 · 2.6 km north of it

Llanbradach

3,766 people · 4 places to visit

Compare the 8 towns

Town	Where Caerphilly Castle is	People	Places to visit
Caerphilly	It’s in town	33,104	7
Bedwas	1.6 km northeast of it	6,463	6
Nantgarw	2.1 km southwest of it	815	8
Llanbradach	2.6 km north of it	3,766	4
Abertridwr and Senghenydd	2.9 km northwest of it	5,639	8
Trethomas	3.6 km northeast of it	1,713	4
Cardiff	3.7 km south of it	348,511	76
Taff's Well	4 km southwest of it	3,553	7

Make a day of it

More near Caerphilly Castle

A visit can add 4 castles, 2 museums and 2 cathedrals, from 86 places within 15 km.

MuseumNational Museum Cardiff10 km away · 373K visitors a year 2

Castle · CadwCastell Coch5.1 km away 3

CastleCardiff Castle11 km away 4

CathedralLlandaff Cathedral8.9 km away 5

Big drawMuseumSt Fagans Museum Visitor Centre11 km away · 610K visitors a year 6

CastleMorgraig Castle2.7 km away 7

CathedralCardiff Metropolitan Cathedral11 km away 8

CastleRuperra Castle6.5 km away

Within 15 km, close and well known first. Numbers match the map.

Quick answers on Caerphilly Castle

Where is Caerphilly Castle?

Caerphilly Castle is in Caerphilly, Gwent, inside the town’s built-up area.

What is Caerphilly Castle?

Castle in Caerphilly, Wales.

Who runs Caerphilly Castle?

Cadw, so members usually get in free; check opening times before you go.

When is the best time to visit Caerphilly Castle?

June to September are the warmest months in Caerphilly, with afternoon highs of 18–21°C (Met Office 1991–2020 averages).

Is Caerphilly Castle a listed building?

Yes: scheduled monument.

What else is there to see near Caerphilly Castle?

Within 15 km: National Museum Cardiff (10 km), Castell Coch (5.1 km), Cardiff Castle (11 km) and Llandaff Cathedral (8.9 km).

Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the ONS 2022 built-up area (Open Government Licence v3.0). Visitor counts are the latest Wikidata gives, with their year.

Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).

Photo credits (8)

National Museum Cardiff: Ham II, CC BY-SA 3.0, Wikimedia Commons
Castell Coch: Hchc2009, CC BY-SA 4.0, Wikimedia Commons
Cardiff Castle: Tevfik Teker, CC BY 3.0, Wikimedia Commons
Llandaff Cathedral: Bill Boaden, CC BY-SA 2.0, Wikimedia Commons
St Fagans Museum Visitor Centre: Sionk, CC BY-SA 4.0, Wikimedia Commons
Morgraig Castle: John Lord, CC BY-SA 2.0, Wikimedia Commons
Cardiff Metropolitan Cathedral: Ham II, CC BY-SA 4.0, Wikimedia Commons
Ruperra Castle: Andrew King, CC BY-SA 2.0, Wikimedia Commons

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.