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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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Ticket to Christmas – Rheidol Railway

Address

Rheidol Railway, Park Avenue, Aberystwyth, Ceredigion, SY23 1PG

Telephone
01970 625819

info@rheidolrailway.co.uk

Aberystwyth

Dates

From:

16 Dec 2026to23 Dec 2026

Experience the wonder of Christmas with a special festive trip on the Vale of Rheidol Railway. Climb aboard the much-loved Santa Special and enjoy a memorable steam train journey through the beautiful Welsh countryside, surrounded by the sights,…
Corris

Address

Corris, Gwynedd, SY20 9SS

Corris

Located 5 miles north of Machynlleth, Corris boasts a surprisingly rich vein of local attractions nearby together with thrilling mountain biking in the forest, excellent fishing at Llyn Myngul (Tal y Llyn Lake) and challenging walking on Cadair…
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.
Craig y Cilau National Nature Reserve (NRW)

Address

Llangattock, Crickhowell, NP8 1LG

Telephone
01874 620860

office@visitbrecon.org.uk

Crickhowell

This former limestone quarry is one of Wales' most outstanding botanical sites, famous for its exceptional variety of alpine plants and trees, some extremely rare.
Pwll y Wrach Nature Reserve

Address

Talgarth, Powys, LD3 7LH

Telephone
01874 625708

info@welshwildlife.org

Powys

This 21 acre hillside site embodies the essence of all that is best about the woodland dingles of Mid Wales. Easy access trail through the wood.
Dinas Oleu Walk

Address

Abermaw | Barmouth, Barmouth, Southern Snowdonia, LL42 1LS

Telephone
01341 440238

eryri@nationaltrust.org.uk

Barmouth

The Dinas Oleu Walk takes you from Barmouth town centre through the steep narrow winding streets of the Old Town and up to the top of the gorse-covered hill, known as Dinas Oleu (Citadel of Light).
Pwllheli Railway Station

Address

Station Square, Pwllheli, Gwynedd, LL53 5HG

Telephone
0800 464 0000

Pwllheli

Pwllheli railway station is the terminus of the Cambrian coast Line from Machynlleth.
Dyfi Valley & Coast

Address

Mid Wales, Machynlleth, Powys, SY20 8SR

Machynlleth

The Dyfi Valley opens wide as it approaches Cardigan Bay Coast and ends in sandy beaches and dunes. It cradles the westerly spur of Powys, Ceredigion north of Aberystwyth, and the southern rim of Snowdonia National Park.
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.
Aberriw | Berriew

Address

Powys, SY21 8BQ

Telephone
01686 640478

Berriew (Welsh: Aberriw) is a village in Powys situated between Welshpool and Newtown. The river Rhiw near the confluence (Welsh: aber) with the River Severn flows through this picturesque village.
Hay Castle | Wedding Venue

Address

Hay Castle, Oxford Road, Hay-on-Wye, Powys, HR3 5DG

Telephone
01497 820079

helen.lowther@haycastletrust.org

Hay-on-Wye

Hay Castle sets the imagination soaring. Once a great medieval stronghold, the castle and the grounds in the heart of Mid Wales are alive with possibilities once again.
Ystwyth Trail (Stage 2)

Address

Ystwyth Trail (Stage 2), Ystrad Meurig - Tregaron, SY25 6BJ

Telephone
01970 612125

aberystwythtic@ceredigion.gov.uk

Ystrad Meurig - Tregaron

The Ystwyth Trail is a 20-mile(32.1km) cycle route and footpath linking Aberystwyth & Tregaron which follows part of the track of the old Great Western railway line
Cenarth

Address

Cenarth, Ceredigion, SA38 9LE

Cenarth

Cenarth is a pretty village which lies on the county boundary between Ceredigion and Carmarthenshire. It is renowned for its waterfall and salmon fishing.
Cors Caron National Nature Reserve | Walking (NRW)

Address

Cors Caron National Nature Reserve, 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.
Illuminate: Biofluorescence in Nature at RSPB Ynys-hir.

Address

RSPB Ynys-hir, Eglwys-fach, Machynlleth, Ceredigion, SY20 8TA

Telephone
+441654700222

ynyshir@rspb.org.uk

Machynlleth

Dates

From:
19 Sept 2026Open 20:00 - 22:00

Discover an invisible natural world on a night time adventure and experience nature in a whole new light at RSPB Ynys-hir!
Cilgerran Castle (Cadw)

Address

Cilgerran, Cardigan, SA43 2SF

Telephone
03000 252239

CilgerranCastle@gov.wales

Cardigan

Picturesque remains that include a pair of highly defensible round towers dating to the first half of the thirteenth century. Earlier Norman origins.
Talybont | Mynydd Gorddu Walk

Address

Talybont Village Green, Talybont, Ceredigion, SY24 5HE

Telephone
0300 065 3000

Talybont

Start: Tal-y-bont village green
Grid Reference: SN654 891
Distance: Walk A: 10.5 km – 6.5 miles
Walk B: 9.8 km – 6.1 miles
Grade: Moderate
Terrain: Tarmac road, firm tracks, fields and woodland. Can be muddy in places
Trans Cambrian Way

Address

Knighton - Dyfi Junction, LD7

The Trans Cambrian Way is a 108 mile / 175 km long distance mountain bike route that snakes its way through the heart of mid Wales, and climbs over the oldest mountain range in Europe, the Cambrian Mountains.
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.
Dyfi Discovery Walk | Machynlleth to Dyfi Wildlife Centre

Address

Machynlleth, Powys, SY20 8BL

Telephone
0300 065 3000

Machynlleth

This walk starts at the car park at Y Plas, Machynlleth and is graded as moderate. The terrain includes road, woodland paths, firm tracks and fields and is a distance of 5 miles.
Llangynidr Agricultural Show

Address

Llangynidr, Powys, nr Crickhowell, Powys, NP8 1AA

llangynidrshow@gmail.com

nr Crickhowell

Dates

From:
30 Aug 2026Open 09:00 -

In the heart of the Brecon Beacons - the Llangynidr Show is a great day out for everyone. Llangyndir is 5 miles west of Crickhowell on the B4558.