Castle · Monmouth · Gwent

Monmouth Castle

Monmouth Castle is a 11th-century castle in Monmouth. Its status is a scheduled monument. There are 31 more places to see within 15 km, beginning with Monmouth Priory (200 m).

Photo: Monmouth Castle, Pauline Eccles (CC BY-SA 2.0)

Where

In Monmouth

inside the built-up area

Run by

Cadw

a national heritage body

How well known

Top 2%

#134 of 8,556 places we list

Warmest months

May–Sep

highs of 17–22°C

In brief

Castle in Monmouth

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

#134 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (23 Wikipedias). About ↓

Inside Monmouth

Monmouth Castle is inside Monmouth’s built-up area, with 10 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; Monmouth has 377 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

Afternoons in Monmouth peak at 17–22°C, May to September.

Jan8° / 3°93 mm

Feb9° / 3°72 mm

Mar11° / 4°65 mm

Apr14° / 5°63 mm

May17° / 8°66 mm

Jun20° / 11°62 mm

Jul22° / 13°57 mm

Aug21° / 12°76 mm

Sep19° / 10°67 mm

Oct15° / 8°103 mm

Nov11° / 5°101 mm

Dec8° / 3°103 mm

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

About

Monmouth Castle

Upkeep is seen to by Cadw. It is written up in 23 Wikipedias.

Monmouth’s listed buildings and monuments →

Type: Castle
Run by: Cadw
Listed: Scheduled monument
Wikipedias: Covered in 23 languages
Town: in Monmouth
Official site: cadw.gov.wales/visit/places-to-visit/monmouth-castle

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

The map

Where Monmouth Castle is

Spot Monmouth Castle in orange, then follow the numbers to the places below.

Towns near it

Towns that count Monmouth Castle

Of these 8 towns, the largest is Monmouth (10,330 people). The list runs from its own town outward.

1 · It’s in town

Monmouth

10,330 people · 12 places to visit

2 · 3.7 km southeast of it

Lower Redbrook

253 people · 15 places to visit

3 · 6.1 km northeast of it

Symonds Yat West

287 people · 4 places to visit

4 · 6.6 km north of it

Llangrove

435 people · 3 places to visit

Compare the 8 towns

Town	Where Monmouth Castle is	People	Places to visit
Monmouth	It’s in town	10,330	12
Lower Redbrook	3.7 km southeast of it	253	15
Symonds Yat West	6.1 km northeast of it	287	4
Llangrove	6.6 km north of it	435	3
The Narth	6.6 km south of it	364	2
Berry Hill	6.7 km east of it	2,211	10
Coleford	7.1 km east of it	5,023	9
Clearwell	8 km southeast of it	399	7

Make a day of it

Worth adding to a visit

3 castles, 2 abbeys or priories and a museum are among the 31 within 15 km.

Abbey or prioryMonmouth Priory200 m away 2

MuseumShire Hall Museum100 m away 3AttractionAttractionMonmouth Heritage Trail500 m away 4

CastleCastle House100 m away 5GardenGardenNelson Garden200 m away 6

Abbey or priory · CadwTintern Abbey13 km away 7

Castle · CadwRaglan Castle10 km away 8

Castle · English HeritageGoodrich Castle10 km away

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

Before visiting Monmouth Castle

Where is Monmouth Castle?

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

What is Monmouth Castle?

11th-century castle in Monmouth, Wales.

Who runs Monmouth Castle?

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

When is the best time to visit Monmouth Castle?

May to September are the warmest months in Monmouth, with afternoon highs of 17–22°C (Met Office 1991–2020 averages).

Is Monmouth Castle a listed building?

Yes: scheduled monument.

What else is there to see near Monmouth Castle?

Within 15 km: Monmouth Priory (200 m), Shire Hall Museum (100 m), Monmouth Heritage Trail (500 m) and Castle House (100 m).

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)

Monmouth Castle: Pauline Eccles, CC BY-SA 2.0, Wikimedia Commons
Monmouth Priory: Philbly, CC BY-SA 3.0, Wikimedia Commons
Shire Hall Museum: Pauline Eccles, CC BY-SA 2.0, Wikimedia Commons
Castle House: Eirian Evans, CC BY-SA 2.0, Wikimedia Commons
Tintern Abbey: Saffron Blaze, CC BY-SA 3.0, Wikimedia Commons
Raglan Castle: Tyssil, CC BY-SA 3.0, Wikimedia Commons
Goodrich Castle: kitmasterbloke, CC BY 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.