Castle · near Rhuddlan · Clwyd

Twthill Castle

Twthill Castle is a Norman castle. Its address puts it 100 m south of Rhuddlan. The register lists it as a scheduled monument.

Photo: Twthill Castle, Llywelyn2000 (CC BY-SA 4.0)

Where

100 m

south of Rhuddlan

Run by

Cadw

a national heritage body

How well known

Top 10%

#792 of 8,556 places we list

Warmest months

Jun–Sep

highs of 18–20°C

In brief

Castle near Rhuddlan

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

#792 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (7 Wikipedias). About ↓

Just outside Rhuddlan

Twthill Castle is 100 m south of Rhuddlan. 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; Rhuddlan has 21 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

The climate through the year

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

Jan8° / 3°65 mm

Feb9° / 3°52 mm

Mar10° / 4°46 mm

Apr13° / 6°47 mm

May16° / 8°47 mm

Jun19° / 11°55 mm

Jul20° / 13°62 mm

Aug20° / 13°64 mm

Sep18° / 11°64 mm

Oct14° / 8°82 mm

Nov11° / 5°76 mm

Dec9° / 3°86 mm

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

About

Twthill Castle

Care of the site is provided by Cadw. It is written up in 7 Wikipedias. A short trip away is Rhuddlan Castle, 300 m off, the first of 24 within 15 km.

Rhuddlan’s listed buildings and monuments →

Type: Castle
Run by: Cadw
Listed: Scheduled monument
Wikipedias: Covered in 7 languages
Town: 100 m south of Rhuddlan
Official site: cadw.gov.wales/visit/places-to-visit/twthill-rhuddlan

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

The map

Mapping Twthill Castle

The map centres on Twthill Castle, in orange, with nearby places numbered.

Towns near it

The nearest towns

Of the 8, Rhyl is the largest, at 26,982 people. Start with its own town; the others follow by distance.

1 · 100 m north of it

Rhuddlan

3,791 people · 11 places to visit

2 · 1.7 km north of it

Rhyl

26,982 people · 10 places to visit

3 · 2.4 km south of it

St Asaph

3,483 people · 7 places to visit

4 · 2.6 km southwest of it

Bodelwyddan

1,785 people · 10 places to visit

Compare the 8 towns

Town	Where Twthill Castle is	People	Places to visit
Rhuddlan	100 m north of it	3,791	11
Rhyl	1.7 km north of it	26,982	10
St Asaph	2.4 km south of it	3,483	7
Bodelwyddan	2.6 km southwest of it	1,785	10
Kinmel Bay	2.9 km west of it	9,016	12
Dyserth	3.1 km east of it	2,038	7
Meliden	3.8 km northeast of it	2,002	5
Prestatyn	4.5 km northeast of it	16,678	7

Make a day of it

Also within reach

Within 15 km you can add 4 castles, 2 historic houses and a cathedral.

Castle · CadwRhuddlan Castle300 m away 2

CathedralSt Asaph Cathedral3.6 km away 3

Historic houseBodelwyddan Castle3.9 km away 4

Castle · CadwCastell Dinbych12 km away 5

Historic houseBodrhyddan Hall2.2 km away 6

CastleGwrych Castle9.8 km away 7

CastlePrestatyn Castle7.3 km away 8

Abbey or priory · CadwDenbigh Friary12 km away

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

Questions about Twthill Castle

Where is Twthill Castle?

Twthill Castle is 100 m south of Rhuddlan, Clwyd.

What is Twthill Castle?

Norman castle in Denbighshire, Wales.

Who runs Twthill Castle?

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

When is the best time to visit Twthill Castle?

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

Is Twthill Castle a listed building?

Yes: scheduled monument.

What else is there to see near Twthill Castle?

Within 15 km: Rhuddlan Castle (300 m), St Asaph Cathedral (3.6 km), Bodelwyddan Castle (3.9 km) and Castell Dinbych (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 (9)

Twthill Castle: Llywelyn2000, CC BY-SA 4.0, Wikimedia Commons
Rhuddlan Castle: Julie Anne Workman, CC BY-SA 3.0, Wikimedia Commons
St Asaph Cathedral: Mike Searle, CC BY-SA 2.0, Wikimedia Commons
Bodelwyddan Castle: Llywelyn2000, CC BY-SA 4.0, Wikimedia Commons
Castell Dinbych: Llywelyn2000, CC BY-SA 4.0, Wikimedia Commons
Bodrhyddan Hall: Gerald England, CC BY-SA 2.0, Wikimedia Commons
Gwrych Castle: Llywelyn2000, CC BY-SA 4.0, Wikimedia Commons
Prestatyn Castle: Jeff Buck, CC BY-SA 2.0, Wikimedia Commons
Denbigh Friary: JohnArmagh, Public domain, 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.