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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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Gŵyl Gerdd Llanfyllin Music Festival

Address

St Myllins Church & Llanfyllin Workhouse, Llanfyllin, Powys, SY22 6XZ

sec.llanfyllinfestival@gmail.com

Llanfyllin

Llanfyllin Music Festival 2026 will take place on the weekends of 3rd to 5th July and 10th to 12th July, when a string of classics musicians will descend upon the town for a series of performances.
Oswestry

Address

Shropshire, SY11 2TE

Telephone
01654 702653

info@mwtcymru.co.uk

Oswestry is the third largest town in Shropshire with a population of 17,000; it is five miles from the border with Wales and has a mixed Welsh and English heritage.
Sustrans Route 8 | Dolgellau - Llanelwedd

Address

Dolgellau Town Centre, LL40 1SR

Telephone
01179268893

reception@sustrans.org.uk

The cycle route heads inland from the town of Dolgellau across the Cambrian Mountains and heads South East towards Builth Wells and Llanelwedd.
RSPB Mawddach Valley - Arthog Bog

Address

5 St Marys Terrace, Arthog, Gwynedd, LL39 1BQ

Telephone
01654 700222

mawddach@rspb.org.uk

Arthog

Arthog Bog is located in southern Snowdonia between Dolgellau and Fairbourne. It is a small wetland and a wonderful place to see weird and wonderful plants, flowers, butterflies and birds.
St Dogmaels

Address

Pembrokeshire, SA41 3PX

The riverside village of St Dogmaels sits on the border of Ceredigion and Pembrokeshire. The village's main attractions are St Dogmaels Abbey and Y Felin water mill.
Pistyll Rhiwargor | Rhiwargor Waterfall

Address

Rhiwargor Falls, Llanwddyn, Powys, SY10 0NE

Llanwddyn

Pistyll Rhiwargor is one of the highest waterfalls in Wales and sits at the northern end of Lake Vyrnwy within the RSPB Lake Vyrnwy Reserve. Access to the falls is short 20-30 minute walk signposted from the car park and picnic site less than a mile…
Cei Newydd | New Quay

Address

New Quay, Ceredigion, SA46 0JP

Telephone
01970 612125

aberystwythtic@ceredigion.gov.uk

New Quay

A visit to New Quay is all about sandy beaches that extend in an arc around the bay, the harbour where boat trips will take you dolphin spotting in Cardigan Bay, and the great Welsh poet, Dylan Thomas enjoyed a few pints in the local.
Blaenau Ffestiniog Railway Station

Address

Church St, Blaenau Ffestiniog, Gwynedd, LL41 3HE

Telephone
0800 464 0000

Blaenau Ffestiniog

Blaenau Ffestiniog railway station is the terminus of the Conwy Valley Line from Llandudno Junction; most trains run from/to Llandudno. Trains connect with the North Wales Coast Line. It is also the terminus of the Ffestiniog Railway.
Llangadog Railway Station

Address

Station Rd, Llangadog, Carmarthenshire, SA19 9LU

Telephone
0800 464 0000

Llangadog

Llangadog railway station is on the Heart of Wales Line which runs from Shrewsbury to Swansea.
Ystwyth Trail | Aberystwyth - Ystradmeurig

Address

Ystwyth Trail, Aberystwyth - Ystrad Meurig, Ceredigion, SY25 6BJ

Telephone
01970 612125

aberystwythtic@ceredigion.gov.uk

Aberystwyth - Ystrad Meurig

The Ystwyth Trail is a 32.https://dms-nvg.newmindets.net/App/PMS/Product.aspx?pid=1741451&ref=s#1km/20M cycle route and footpath linking Aberystwyth and Tregaron. Part of the trail follows the track of the old Great Western railway line.
Dyfi Discovery Walk | Cae Adda Walk

Address

Machynlleth, Powys, SY20 8BL

Telephone
0300 065 3000

Machynlleth

Start: Near Dovey Valley Shooting Centre
Limited car parking
Grid Reference: SH 806 051
Distance: 10 km – 6.2 miles
Grade: Moderate with some steep sections
Terrain: Fields, rough tracks
Maps: OS Explorer - 215
Mwnt Beach

Address

Mwnt, Cardigan, Ceredigion, SA43 1QH

Telephone
01545 570200

mwnt@nationaltrust.org.uk

Cardigan

Mwnt, about 4.5 miles from Cardigan, is named after the conical hill (Foel y Mwnt) that rises above this popular beach. It is an ideal place to spot bottlenose dolphins, basking sharks and porpoises in the distance!
Craig Cerrig Gleisiad & Fan Frynych (NRW)

Address

Brecon Beacons, Nr Libanus, Powys, NP8 1LG

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

Nr Libanus

Craig Cerrig-gleisiad and Fan Frynych National Nature Reserve is a 156 acre (631,000 m²) area of the Brecon Beacons National Park.
Lôn Las Cymru Route 8 (South)

Address

Llanidloes - Cardiff, Llanidloes - Cardiff, LD2 3DT

reception@sustrans.org.uk

Llanidloes - Cardiff

This is the section of the route that runs south from Llanidloes, Rhayader, Llanelwedd/Builth Wells towards the Brecon Beacons and the Valleys before arriving into Cardiff.
RSPB Carngafallt Nature Reserve

Address

Elan Valley, Glanfaron, Rhayader, LD6 5HW

Telephone
01654 700222

carngafallt@rspb.org.uk

Glanfaron

Carngafallt is a wonderful place to see birds or simply enjoy the view. The moorland landscape looks especially colourful in late summer, while spring is the perfect time to come and see migrant birds.
Tref-y-Clawdd | Knighton

Address

Knighton, Powys, LD7 1EN

Knighton

Knighton is a Mid Wales Marches town with a remarkable landscape and rich history. Located on the scenic Heart of Wales railway line, it makes a great base to explore the Offa's Dyke Path or Glyndwr's Way National Trails.
Knighton Bus Station

Address

Bowling Green Lane, Knighton, LD7 1DR

Telephone
0800 464 0000

feedback@traveline.cymru

Knighton

Knighton bus station is off Bowling Green Lane with services to Ludlow.
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.
Tregaron

Address

Tregaron, Ceredigion, SY25 6JL

Telephone
01970 612125

aberystwythTIC@Ceredigion.gov.uk

Tregaron

Tregaron is a town where history, legend, and nature intertwine—offering visitors a truly authentic Welsh experience. Whether you’re drawn by the wildlife, the scenic routes, or the rich folklore, this is a place where the past comes to life amid…
Llangammarch Railway Station

Address

Llangammarch, Powys, LD4 4EE

Telephone
0800 464 0000

Llangammarch

Llangammarch railway station is on the Heart of Wales Line which runs from Shrewsbury to Swansea.