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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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Constitution Hill

Address

Aberystwyth, Ceredigion, SY23 2DN

Telephone
01970 612125

aberystwythtic@ceredigion.gov.uk

Aberystwyth

Constitution Hill rises dramatically 430 feet from the north end of Aberystwyth promenade. The views from the top are spectacular and on a clear day you can see Snowdon. Take the cliff railway to the summit or follow the coast path.
Steam & Diesel Gala W&LLR

Address

Welshpool & Llanfair Railway, The Station, Pool Road, Llanfair Caereinion, Powys, SY21 0SF

Telephone
01938 810441

info@wllr.org.uk

Pool Road, Llanfair Caereinion

Dates

From:

4 Sept 2026to6 Sept 2026

Annual Steam Gala (plus Garden Railway Show) at Welshpool & Llanfair Light Railway.
Poppit Sands Beach

Address

Poppit Sands Beach, Cardigan, Pembrokeshire, SA43 3LN

Telephone
01437 776638

fishguardlibrary@pembrokeshire.gov.uk

Cardigan

Poppit Sands is a Blue Flag Beach that has gently sloping sands and extensive dunes. Located on the Teifi Estuary near Cardigan, the Wales Coast Path is accessible from nearby St Dogmaels.
Newtown Railway Station

Address

Old Kerry Rd, Newtown, Powys, SY16 1BP

Telephone
0800 464 0000

Newtown

Newtown/Y Drenewydd railway station is on the Cambrian Line from Shrewsbury to Aberystwyth.
August Steam Gala | Bala Lake Railway

Address

Bala Lake Railway, Llanuwchlyn, Bala, Gwynedd, LL23 7DD

Telephone
01678 540666

enquiries@bala-lake-railway.co.uk

Llanuwchlyn, Bala

Dates

From:

29 Aug 2026to31 Aug 2026

August Steam Gala at Bala Lake Railway will feature all available steam locomotives in action with frequent passenger services, demonstration freight trains and the miniature railway running at Llanuwchllyn.
Coastal Way | Aberystwyth to Cardigan

Address

Aberystwyth - Aberaeron - Cardigan, Ceredigion, SY23 2AG

Aberystwyth - Aberaeron - Cardigan

Around 70 miles/110km of The Coastal Way lies within Ceredigion stretching from the mouth of the Dyfi Estuary in the north to
the historic market town of Cardigan in the south
The Irfon View Road Ride

Address

Llanwrtyd Wells, Powys, LD5 4RW

Telephone
01591 610666

info@llanwrtyd.com

Powys

THE IRFON VIEW ROAD RIDE
Distance 14km (8.7m)
TimE 1 - 2 hrs
Montgomery Walking Festival

Address

Various Walks around Montgomery, Montgomery, Powys, SY15 6RD

Telephone
01686 669730

brett@myphone.coop

Montgomery

Dates

From:

3 Oct 2026to4 Oct 2026Open 09:00 - 17:00

This weekend see the return of the popular Montgomery Walking Festival with a number of walks planned over the two days.
Bala & Penllyn | Cycle Trails

Address

Bala & Penllyn, Bala, Gwynedd, LL23 7AD

Bala

Cycle routes through southern Snowdonia and the exciting scenery around Bala,
Halloween Steam 'n' Scream | Talyllyn Railway

Address

Rheilffordd Talyllyn Railway, Gorsaf Wharf Station, Tywyn, Gwynedd, LL36 9EY

Telephone
01654 710472

enquires@talyllyn.co.uk

Tywyn

Dates

From:

29 Oct 2026to30 Oct 2026

Join us, if you dare, for a ghoulish evening train ride to Dolgoch Woods…
Dolforwyn Castle (Cadw)

Address

Abermule, Nr Newtown, Powys, SY15 6JJ

Telephone
0300 025 6000

cadw@gov.wales

Nr Newtown

Discover Dolforwyn Castle, an ancient fortress nestled on a picturesque ridge above the enchanting Severn Valley near Newtown. Immerse yourself in the captivating tale of Welsh-English conflict as you explore the rich history that surrounds…
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.
Radnor Ring Cycle Route

Address

Rhaeadr Gwy | Rhayader, Powys, LD6 5BU

Rhaeadr Gwy | Rhayader

A circular 84 mile route following quiet country lanes, and crossing some of Mid-Wales' most spectacular scenery. For those with mountain-bike skills, there are exciting off-road alternatives.
Bwlch Nant yr Arian | Running Trails (NRW)

Address

Bwlch Nant yr Arian, Bwlch Nant yr Arian Visitor Centre, Ponterwyd, Aberystwyth, Ceredigion, SY23 3AB

Telephone
01970 890453

bnya@naturalresourceswales.gov.uk

Ponterwyd, Aberystwyth

Bwlch Nant yr Arian is famous for feeding red kites daily. Range of waymarked walking, mountain biking, running and horse-riding trails and a mountain bike skills park. Café, shop and play area.
South Clettwr Valley Walk

Address

Llandysul, Ceredigion, SA44 4DN

Telephone
01239 613230

cardigantic@ceredigion.gov.uk

Ceredigion

Part of Llandysul Trails - South Clettwr Valley Walk
Start: SN452425 - Car Park, Capel Dewi church hall
Suitable for: Moderately fit walkers
Grade: Easy
Distance: 4.8km/3M
Time: 2 hours (excluding rest stops)
Aberystwyth | North Beach & Promenade

Address

Aberystwyth, Ceredigion, SY23 2BQ

Telephone
01970 612125

AberystwythTIC@Ceredigion.gov.uk

Aberystwyth

Aberystwyth's North Beach and seafront is a focal point of the town and a favourite attraction for visitors and locals alike.
Machynlleth

Address

Machynlleth, Powys, SY20 8BL

Machynlleth

Unwind in the heart of the Dyfi Biosphere at Machynlleth. Part of the UNESCO Dyfi Biosphere and offers exciting activities, from mountain biking to exploring the natural beauty of Mid Wales. The Centre for Alternative Technology is an excellent…
Llandysul and Pont-Tyweli Walking Weekend

Address

Llandysul, Ceredigion, SA44 4DN

Telephone
01559 362403

info@dolenteifi.org.uk

Llandysul

Dates

From:

25 Sept 2026to27 Sept 2026Various Opening Times

The Llandysul and Pont-Tyweli Walkers Welcome group have come together to organise a walking weekend for the whole family which will be held during last weekend of September.
Walking Newtown | Waterways and Town

Address

Y Drenewydd | Newtown, Powys, SY16 2BB

Telephone
01686 625544

townclerk@newtown.org.uk

Y Drenewydd | Newtown

This 2.5 circular mile walk starts in the centre of Newtown and largely circles around the western boundaries of Newtown. It will take you along the River Severn and has some road and off-road walking.
Dinas Mawddwy

Address

Dinas Mawddwy, Gwynedd, LL49 9LP

Dinas Mawddwy

North-east of Machynlleth and south-east of Dolgellau, the village of Dinas Mawddwy is just to the side of the A470 at the junction with the mountain road to Lake Vyrnwy and Bala.
Cadair Idris | Walking Routes (NRW)

Address

Cadair Idris, Southern Snowdonia, LL39 1AX

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

Southern Snowdonia

There are three recommended walking routes to conquer Cader Idris. Whichever route you take they are all designated ‘hard/strenuous’ routes, and you should allow between five to six hours to get there and back