Castle · Kidwelly · Dyfed

Castell Cydweli

Castell Cydweli is a grade I listed castle in Kidwelly. Upkeep is seen to by Cadw. Our list has 17 more places within 15 km; first among them is Castell Llansteffan, at 6.5 km.

Photo: Castell Cydweli, Iphrit (CC BY-SA 3.0)

Where

In Kidwelly

inside the built-up area

Run by

Cadw

a national heritage body

How well known

Top 4%

#309 of 8,556 places we list

Warmest months

Jun–Sep

highs of 18–20°C

In brief

Castle in Kidwelly

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

#309 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (15 Wikipedias). About ↓

Inside Kidwelly

Castell Cydweli is inside Kidwelly’s built-up area, with 2 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; Kidwelly has 15 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

How the seasons run

Warm weather in Kidwelly runs June to September, with highs of 18–20°C.

Jan8° / 3°123 mm

Feb8° / 2°96 mm

Mar10° / 3°85 mm

Apr13° / 5°83 mm

May16° / 7°81 mm

Jun18° / 10°74 mm

Jul20° / 12°80 mm

Aug20° / 12°114 mm

Sep18° / 10°105 mm

Oct14° / 8°143 mm

Nov11° / 5°142 mm

Dec8° / 3°142 mm

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

About

Castell Cydweli

Its Wikipedia coverage spans 15 languages.

Kidwelly’s listed buildings and monuments →

Type: Castle
Run by: Cadw
Listed: Scheduled monument
Wikipedias: Covered in 15 languages
Town: in Kidwelly
Official site: cadw.gov.wales/visit/places-to-visit/kidwelly-castle

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

The map

The map centres on Castell Cydweli, in orange, with nearby places numbered.

Towns near it

Bases near Castell Cydweli

Of the 8, Burry Port is the largest, at 4,966 people. Each of these towns lists it on its own page of things to do.

1 · It’s in town

Kidwelly

2,761 people · 4 places to visit

2 · 1.8 km northeast of it

Mynyddygarreg

320 people · 3 places to visit

3 · 3.7 km southeast of it

Trimsaran

2,190 people · 6 places to visit

4 · 4.6 km east of it

Carway

1,401 people · 5 places to visit

Compare the 8 towns

Town	Where Castell Cydweli is	People	Places to visit
Kidwelly	It’s in town	2,761	4
Mynyddygarreg	1.8 km northeast of it	320	3
Trimsaran	3.7 km southeast of it	2,190	6
Carway	4.6 km east of it	1,401	5
Ferryside	4.7 km northwest of it	864	2
Pembrey	5 km south of it	2,094	2
Pontyates	6.1 km east of it	1,475	4
Burry Port	6.9 km southeast of it	4,966	4

Make a day of it

While you are near Castell Cydweli

Nearby, 17 places within 15 km include 3 castles, 3 museums and a fort.

Castle · CadwCastell Llansteffan6.5 km away 2

Castle · CadwCastell Talacharn11 km away 3

CastleCarmarthen Castle13 km away 4

MuseumKidwelly Industrial Museum1.4 km away 5

MuseumAmgueddfa Sir Gâr - Carmarthenshire Museum14 km away · 13K visitors a year 6FortFortBurry Holms14 km away 7Heritage railwayHeritage railwayLlanelli and Mynydd Mawr Railway8.4 km away 8

MuseumDylan Thomas Boathouse11 km away

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

Questions about Castell Cydweli

Where is Castell Cydweli?

Castell Cydweli is in Kidwelly, Dyfed, inside the town’s built-up area.

What is Castell Cydweli?

Grade I listed castle in Kidwelly, Wales.

Who runs Castell Cydweli?

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

When is the best time to visit Castell Cydweli?

June to September are the warmest months in Kidwelly, with afternoon highs of 18–20°C (Met Office 1991–2020 averages).

Is Castell Cydweli a listed building?

Yes: scheduled monument.

What else is there to see near Castell Cydweli?

Within 15 km: Castell Llansteffan (6.5 km), Castell Talacharn (11 km), Carmarthen Castle (13 km) and Kidwelly Industrial Museum (1.4 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 (7)

Castell Cydweli: Iphrit, CC BY-SA 3.0, Wikimedia Commons
Castell Llansteffan: Emperorzurg123, CC BY-SA 4.0, Wikimedia Commons
Castell Talacharn: Garth Newton, CC BY-SA 2.0, Wikimedia Commons
Carmarthen Castle: Llywelyn2000, CC BY-SA 3.0, Wikimedia Commons
Kidwelly Industrial Museum: Chris Allen, CC BY-SA 2.0, Wikimedia Commons
Amgueddfa Sir Gâr - Carmarthenshire Museum: Nilfanion, CC BY-SA 4.0, Wikimedia Commons
Dylan Thomas Boathouse: Ken Day, CC BY-SA 4.0, 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.