Castle · near Llansteffan · Dyfed

Castell Llansteffan

Castell Llansteffan is a grade I listed building and site of an ancient hillfort. Look for it 300 m south of Llansteffan. It is cared for by Cadw.

Photo: Castell Llansteffan, Emperorzurg123 (CC BY-SA 4.0)

Where

300 m

south of Llansteffan

Run by

Cadw

a national heritage body

How well known

Top 5%

#372 of 8,556 places we list

Warmest months

Jun–Sep

highs of 18–20°C

In brief

Castle near Llansteffan

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

#372 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (13 Wikipedias). About ↓

Just outside Llansteffan

Castell Llansteffan is 300 m south of Llansteffan. 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; Llansteffan has 18 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

Weather by the month

Expect highs of 18–20°C in Llansteffan from June to September.

Jan8° / 2°140 mm

Feb8° / 2°101 mm

Mar10° / 3°88 mm

Apr13° / 5°83 mm

May16° / 7°81 mm

Jun18° / 10°82 mm

Jul20° / 12°86 mm

Aug20° / 12°115 mm

Sep18° / 10°107 mm

Oct14° / 7°153 mm

Nov11° / 5°155 mm

Dec9° / 3°155 mm

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

About

Castell Llansteffan

There are Wikipedia articles on it in 13 languages. Add Castell Talacharn, 4.9 km away, to a visit; it leads 18 places within 15 km.

Llansteffan’s listed buildings and monuments →

Type: Castle
Run by: Cadw
Listed: Scheduled monument
Wikipedias: Covered in 13 languages
Town: 300 m south of Llansteffan
Official site: llansteffancastle.com

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

The map

The area around Castell Llansteffan

Orange shows Castell Llansteffan; numbers mark the places near it.

Towns near it

The towns around Castell Llansteffan

With 2,761 people, Kidwelly is the largest of the 8. Its home town tops the list; the rest follow by distance.

1 · 300 m north of it

Llansteffan

408 people · 4 places to visit

2 · 1.3 km east of it

Ferryside

864 people · 2 places to visit

3 · 4.8 km west of it

Laugharne

710 people · 4 places to visit

4 · 6.8 km southeast of it

Kidwelly

2,761 people · 4 places to visit

Compare the 8 towns

Town	Where Castell Llansteffan is	People	Places to visit
Llansteffan	300 m north of it	408	4
Ferryside	1.3 km east of it	864	2
Laugharne	4.8 km west of it	710	4
Kidwelly	6.8 km southeast of it	2,761	4
Mynyddygarreg	8 km east of it	320	3
St Clears	9.4 km northwest of it	1,787	3
Pwll-trap	10 km northwest of it	790	0
Trimsaran	11 km southeast of it	2,190	6

Make a day of it

Other places close by

A visit can add 4 museums, 3 castles and a heritage railway, from 18 places within 15 km.

Castle · CadwCastell Talacharn4.9 km away 2

Castle · CadwCastell Cydweli6.5 km away 3

CastleCarmarthen Castle12 km away 4

MuseumPendine Museum of Speed12 km away · 34K visitors a year 5

MuseumAmgueddfa Sir Gâr - Carmarthenshire Museum14 km away · 13K visitors a year 6

MuseumDylan Thomas Boathouse4.6 km away 7

MuseumKidwelly Industrial Museum7.3 km away 8Heritage railwayHeritage railwayLlanelli and Mynydd Mawr Railway14 km away

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

Visiting Castell Llansteffan: the answers

Where is Castell Llansteffan?

Castell Llansteffan is 300 m south of Llansteffan, Dyfed.

What is Castell Llansteffan?

Grade I listed building and site of an ancient hillfort in Carmarthenshire, Wales.

Who runs Castell Llansteffan?

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

When is the best time to visit Castell Llansteffan?

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

Is Castell Llansteffan a listed building?

Yes: scheduled monument.

What else is there to see near Castell Llansteffan?

Within 15 km: Castell Talacharn (4.9 km), Castell Cydweli (6.5 km), Carmarthen Castle (12 km) and Pendine Museum of Speed (12 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)

Castell Llansteffan: Emperorzurg123, CC BY-SA 4.0, Wikimedia Commons
Castell Talacharn: Garth Newton, CC BY-SA 2.0, Wikimedia Commons
Castell Cydweli: Iphrit, CC BY-SA 3.0, Wikimedia Commons
Carmarthen Castle: Llywelyn2000, CC BY-SA 3.0, Wikimedia Commons
Pendine Museum of Speed: Humphrey Bolton, 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
Kidwelly Industrial Museum: Chris Allen, 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.