Castle · Ruin

Monmouth Castle

Monmouth
  • Open
  • Free entry
  • Dogs in the grounds
  • No car park on site
  • Cadw
Monmouth Castle: Monmouth Castle 1
Photo: Siaron James from Caernarfon, Wales · CC BY 2.0 · Source

Quick answer

Checked 14 Oct 2026

Monmouth Castle is a ruined castle near Monmouth, managed by Cadw. Entry is free and the site is open at any reasonable time. Dogs are welcome in the grounds but not inside. There is no car park on site.

Getting to Monmouth Castle and parking

Plan your route

These open in your own maps app. Nothing is sent from this page until you choose one.

Address
NP25 3BS
Parking
No car park on site, paid. No site parking listed; town-centre pay & display. Nearest car park is Glendower Street (pay & display).
By train
Lydney is 10.4 miles away.

Dogs, accessibility and facilities

Dogs

Partly
  • Welcome: in the grounds.
  • Not allowed: inside the buildings.
  • Only a 'Dogs welcome' icon with no detail; lesser value grounds_only used.

Accessibility

  • Paths and surfaces: Terrain Level 1 – Accessible; may be slippery or muddy; historic steps may be uneven.

History of Monmouth Castle

  1. c.1067 Built 1067-71 by William fitz Osbern.
  2. 1267 Granted with the Three Castles to Edmund Crouchback.
  3. 1386 Future Henry V born here (16 September).
  4. 1647 Round tower pulled down after the Civil War; fell on 22 December.

Photos

Castles near Monmouth Castle

All 5 castles in Monmouthshire

FAQs

Where do you park at Monmouth Castle?

There is no car park on site. Nearest car park is Glendower Street (pay & display).

How much does it cost to visit Monmouth Castle?

Entry is free and the site is open at any reasonable time.

Sources

Every fact on this page last verified 14 Oct 2026
Suggest a correction
  1. Page on api.postcodes.io · checked 15 Oct 2026
  2. Page on cadw.gov.wales · checked 14 Oct 2026
  3. Wikidata · checked 15 Oct 2026
  4. Page on cadwpublic-api.azurewebsites.net · checked 15 Oct 2026

We are independent and not affiliated with Cadw. Prices and times can change at short notice, so check the operator's site on the day. How we check our data