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Castles in Mid Wales | Historic Fortresses and Ruins

Castles Across Mid Wales

Mid Wales has castles from every period of Welsh history. Some are UNESCO World Heritage Sites with walls intact. Others are atmospheric ruins on hilltops where sheep graze among the fallen stones. A few have been lived in continuously for centuries and are open to visitors with gardens, collections and tea rooms.

The Major Castles

Harlech Castle is the most dramatic, perched on a rocky outcrop above the coast with views across Tremadog Bay to the Llyn Peninsula. It is a UNESCO World Heritage Site and one of Edward I's iron ring of fortresses. Powis Castle near Welshpool is altogether different, a medieval castle that became a grand country house, famous for its terraced gardens, which are among the finest in Wales.

Aberystwyth Castle stands in ruins on the headland, but the setting above the seafront is worth a visit. Montgomery Castle is a hilltop ruin with views across the Severn Valley into England.

Quieter Castles Worth Finding

Castell y Bere, near Dolgellau, is a native Welsh castle built by Llywelyn ab Iorwerth in the 1220s. It sits in a remote valley beneath Cadair Idris. Tretower Court near Crickhowell combines a medieval house with a castle tower. Cardigan Castle has been restored and hosts events, markets and exhibitions.

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National Eisteddfod Genedlaethol 2026

Address

Llantood, Nr Cardigan, Pembrokeshire, SA43 3NU

Telephone
0845 4090 800

gwyb@eisteddfod.org.uk

Nr Cardigan

Dates

From:

1 Aug 2026to8 Aug 2026

The National Eisteddfod is a celebration of the culture and language and the 2026 Eisteddfod will be held at Llantwd (Llandudoch), North Pembrokeshire
Bryn-tail Leadworks (Cadw)

Address

Llyn Clywedog, Llanidloes, Powys, SY18 6NU

cadw@gov.wales

Llanidloes

The ruins of the Bryn-tail Leadworks lie in the shadow of the dam at the southern end of Llyn Clywedog Reservoir near Llanidloes Buildings and structures associated with the nineteenth-century extraction and processing of lead ore.
Harlech Railway Station

Address

Ffordd Morfa, Harlech, Gwynedd, LL46 2UL

Telephone
0800 464 0000

Harlech

Harlech railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
Katrina @ Cardigan Castle

Address

Cardigan Castle & Gardens, Cardigan, Ceredigion, SA43 1JA

Telephone
01239 615131

info@cardigancastle.com

Cardigan

Dates

From:
18 July 2026Open 18:00 - 22:30

If you feel like ‘Walking on Sunshine’ this summer join us at Cardigan Castle – Eurovision song contest winner Katrina will perform on Saturday the 18th of July
Spanish Food Night at Gregynog Hall

Address

Gregynog Hall & Gardens, Tregynon, Nr Newtown, Powys, SY16 3PL

Telephone
01686 650224

enquiries@gregynog.org

Nr Newtown,

Dates

From:
31 July 2026

Are you looking for a fun evening? well look no further! Our best selling Food Evening is back
Caersws Railway Station

Address

Station Rd, Caersws, Powys, SY17 5HH

Telephone
0800 464 0000

Caersws

Caersws railway station is on the Cambrian Line from Shrewsbury to Aberystwyth; most trains run from/to Birmingham International.
Knighton Community Market

Address

Knighton Community Hall, Bowling Green Lane, Knighton, Powys, LD7 1DR

Telephone
01547 428088

knightoncomm@gmail.com

Knighton

Dates

From:
25 July 2026
From:
22 Aug 2026

Knighton Community Market is held in the warm, dry Community Centre hall with ample parking just yards away on fourth Saturdays of every month from 9.30am to 12.30pm.
Black Mountains | Grwyne Fawr Reservoir Walk

Address

Brecon Beacons | Black Mountains, Mynydd Ddu Car Park, Abergavenny, Monmouthshire, NP7 7LY

Abergavenny

Grwyne Fawr Reservoir is a 2.5-mile uphill walk from the Mynydd Du car park. Look carefully and you might see wild ponies grazing among the gorse and take in views of the valley and the mighty conifers of the Mynydd Du forest in this remote area of…
Circular Walk 3 - Fachwen Pool

Address

Y Drenewydd | Newtown, Powys, SY16 2BB

Telephone
01686 625544

townclerk@newtown.org.uk

Powys

Starting in the center of Newtown, this route follows the long distance Severn Way to the lake and returns via Penshwa Lane and Ffrydd Farm.
Race the Train

Address

Tal-y-llyn Railway, Tywyn, Gwynedd, LL36 0DF

info@racethetrain.com

Tywyn

Dates

From:
15 Aug 2026

This unique event is a must for all multi - terrain runners. Many competitors return regularly to Tywyn to try and better their performance or just beat that train while others have run nearly every year since the races started.
Radnor Forest | Warren Wood (NRW)

Address

Near New Radnor, New Radnor, Powys, LD8 2TN

Telephone
0300 065 3000

enquiries@naturalresourceswales.co.uk

New Radnor

Warren Wood has been popular with tourists for over 200 years because of the waterfall known as Water-Break-its-Neck. The waymarked trail along a gorge and explore the woodland with some of the largest trees in Radnorshire.
Cors Caron National Nature Reserve (NRW)

Address

Tregaron, Ceredigion, SY25 6JF

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

Ceredigion

Cors Caron is a vast wetland near Tregaron. The huge raised peat bogs and surrounding habitats support a wealth of wildlife. Accessible boardwalk over bog to hide, and Sustrans National Cycle route for walkers, cyclists and horse riders.
Gogerddan Wood (NRW)

Address

Gogerddan, Aberystwyth, Ceredigion, SY23 3ED

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

Aberystwyth

Just three miles from Aberystwyth, Gogerddan is an easy-to-find woodland with a small picnic site. The woodland is carpeted with bluebells in spring. The short walking trail is signposted from the car park.
Fairbourne Railway Station

Address

Station Rd, Fairbourne, Gwynedd, LL38 2AQ

Telephone
0800 464 0000

Fairbourne

Fairbourne railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
Warren Wood | Waterfall & Walks (NRW)

Address

Warren Wood, Near New Radnor, Powys

Telephone
0300 065 3000

enquiries@naturalresourceswales.co.uk

Powys

Walk along a gorge to the Water-Break-its-Neck waterfall, a popular destination for Victorian tourists. Explore the woodland and see some of the largest trees in Radnorshire.
October Half Term at Llanerchaeron

Address

Llanerchaeron, Aberaeron, Ceredigion, SA48 8DG

Telephone
01545 570200

llanerchaeron@nationaltrust.org.uk

Aberaeron

Dates

From:

28 Oct 2026to31 Oct 2026

Roam the estate as part of the Autumn themed trail, what will you discover? (the trail is free but please note normal admission applies).
Llanbedr Railway Station

Address

Llanbedr, Gwynedd, LL45 2LR

Telephone
0800 464 0000

Llanbedr

Llanbedr railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
Aberystwyth Arts Centre

Address

Penglais, Aberystwyth, Ceredigion, SY23 3DE

Telephone
01970 623232

artstaff@aber.ac.uk

Aberystwyth

Award winning Aberystwyth Arts Centre is Wales’ largest arts centre and recognised as a 'national flagship for the arts'. It has a wide-ranging programme across all art forms including drama, dance, music, visual arts film & new media.
Abercorris Nature Reserve

Address

Nr Corris, Gwynedd, SY20 9SP

Telephone
01248 351541

info@northwaleswildlifetrust.org.uk

Nr Corris

Abercorris Nature Reserve in southern Snowdonia is a three acre site of remnant broadleaved woodland on the steep east bank of Afon Deri combining the woodland habitat with that of the mountain stream below.
Aberaeron South Beach

Address

Ceredigion, Aberaeron, Ceredigion, SA46 0BE

Telephone
01545 570602

AberaeronTIC@Ceredigion.gov.uk

Aberaeron

Aberaeron South Beach is a rock and shingle beach just to the south of the town and harbour. Dogs are allowed on the beach but are restricted between the Harbour Walls and the groyne to the south of Beach Parade from 1st May to 30th September.