Castle

Grosmont Castle

Pontrilas, Monmouthshire
Directions
  • Open
  • Free entry
  • Dogs in the grounds
  • No car park on site
  • Cadw
Grosmont Castle: Grosmont Castle seen from the south. The round tower dominating the image is the south-west tower, and on the right is the gatehouse an entrance.
Photo: Robert Cutts from Bristol, England, UK · CC BY 2.0 · Source

Quick answer

Checked 14 Oct 2026

Grosmont Castle is a castle near Pontrilas, Monmouthshire, managed by Cadw. Dogs on a lead are welcome in the grounds but not inside. There is no car park on site.

Opening times

10:00-16:00, 1 April-31 March (days of week not named); last admission 30 minutes before closing; closed 24, 25, 26 December and 1 January.

Check current times on the official site

Getting to Grosmont Castle and parking

Plan your route

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Directions to Grosmont Castle View on a map
Address
NP7 8EP
Parking
No car park on site. No designated parking.
By train
Abergavenny Rail Station (Main Entrance) is 9.1 miles away.

Dogs, accessibility and facilities

Dogs

Partly
  • Welcome: in the grounds.
  • Not allowed: inside the buildings.
  • Leads: dogs must be kept on a lead.
  • Page: dogs on short leads welcome to access ground floor levels of the site; unclear whether this means inside buildings, so lesser value chosen.

Accessibility

  • Paths and surfaces: Terrain Level 2 - Easy; gate then short 5-minute uneven grassed walk to the castle bridge, may be muddy; uneven areas and historic steps inside.

What to see at Grosmont Castle

  • 01

    Keep

    The main fortified tower of the castle.

  • 02

    Great hall

    The main hall, used for feasts and ceremony.

  • 03

    Curtain wall

    The outer defensive wall around the site.

  • 04

    Gatehouse

    The fortified main entrance.

  • 05

    Moat

    A ditch, wet or dry, around the walls.

History of Grosmont Castle

  1. c.1070 First motte castle possibly built by William Fitz Osbern
  2. 1137 Payn Fitz John gives it to King Stephen
  3. 1139 Taken by Brian Fitz Count of Abergavenny
  4. 1142 Earliest record of the castle
  5. 1160 Reverts to royal control under Henry II after Walter of Hereford's death
  6. 1201 Granted to Hubert de Burgh
  7. 1219 Hubert de Burgh builds the stone castle (1219-32)

Photos

Castles near Grosmont Castle

All 5 castles in Monmouthshire

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

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