List of hillforts in Monmouthshire
# List of hillforts in Monmouthshire

This is a list of hillforts of Monmouthshire that have been registered with Cadw as historical monuments. Welsh names are in brackets.

Hillforts of Monmouthshire :

| Sam Number | Name | Community | OS Coordinates | Geographical coordinates |
| - | - | - | - | - |
| MM027 | Blackcliff Wood | Tintern | ST529990 | 51°41′13″N 2°40′55″W﻿ / ﻿51.687°N 2.682°W﻿ / 51.687; -2.682﻿ (Blackcliff Wood (bryngaer)) |
| MM025 | Gaer Hill Camp, Penterry (Allt y Gaer) | St Arvans | ST516979 | 51°40′37″N 2°42′00″W﻿ / ﻿51.677°N 2.7°W﻿ / 51.677; -2.7﻿ (Bryngaer Allt y Gaer) |
| MM069 | The Larches | Caerwent | ST432899 | 51°36′18″N 2°49′12″W﻿ / ﻿51.605°N 2.82°W﻿ / 51.605; -2.82﻿ (Bryngaer Coed y Mynydd (The Larches)) |
| MM079 | Cae Camp (Bryngaer Colomendy) | Llanhennock | ST358938 | 51°38′20″N 2°55′37″W﻿ / ﻿51.639°N 2.927°W﻿ / 51.639; -2.927﻿ (Bryngaer Colomendy (neu Cae)) |
| MM077 | Gaer hill fort, Trellech | Trellech | SO492037 | 51°43′48″N 2°44′06″W﻿ / ﻿51.73°N 2.735°W﻿ / 51.73; -2.735﻿ (Bryngaer Croes Trelech) |
| MM078 | Llancayo Camp (Llancayo) | Gwehelog Fawr | SO378038 | 51°43′44″N 2°54′07″W﻿ / ﻿51.729°N 2.902°W﻿ / 51.729; -2.902﻿ (Bryngaer Llangaeo) |
| MM105 | Pen-rhiw or Great House hillfort | Llangwm | SO432033 | 51°43′34″N 2°49′23″W﻿ / ﻿51.726°N 2.823°W﻿ / 51.726; -2.823﻿ (Bryngaer Pen-rhiw (Great House)) |
| MM020 | Piercefield hillfort | St Arvans | ST536959 | 51°39′36″N 2°40′19″W﻿ / ﻿51.66°N 2.672°W﻿ / 51.66; -2.672﻿ (Bryngaer Piercefield) |
| MM093 | Bulwarks hillfort | Chepstow | ST538927 | 51°37′52″N 2°40′05″W﻿ / ﻿51.631°N 2.668°W﻿ / 51.631; -2.668﻿ (Bulwarks (bryngaer)) |
| MM135 | Candwr Camp (Bryngaer y Cawr) | Llanhennock | ST329934 | 51°38′06″N 2°58′08″W﻿ / ﻿51.635°N 2.969°W﻿ / 51.635; -2.969﻿ (Cawr (bryngaer)) |
| MM075 | Coed y Bwnydd hillfort | Llanarth | SO365068 | 51°45′22″N 2°55′12″W﻿ / ﻿51.756°N 2.92°W﻿ / 51.756; -2.92﻿ (Coed y Bwnydd (bryngaer)) |
| MM062 | Gaer Fawr, Llan-gwm | Llangwm | ST441988 | 51°41′06″N 2°48′32″W﻿ / ﻿51.685°N 2.809°W﻿ / 51.685; -2.809﻿ (Gaer Fawr hillfort) |
| MM024 | Llanmelin Wood Camps (Coed Llanmelin) | Caerwent | ST461925 | 51°37′44″N 2°46′44″W﻿ / ﻿51.629°N 2.779°W﻿ / 51.629; -2.779﻿ (Bryngaer Coed Llanmelin) |
| MM064 | Pen-Twyn hillfort | Llanvihangel Crucorney | SO321229 | 51°54′04″N 2°59′13″W﻿ / ﻿51.901°N 2.987°W﻿ / 51.901; -2.987﻿ (Pen-Twyn (bryngaer)) |
