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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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Trans Wales Trails

Address

Cwmfforest Riding Centre, Pengenffordd, Talgarth, Brecon, LD30EU

Telephone
01874 711398

riding@transwales.com

Talgarth

Trans Wales Trails offer all abilities of rider a choice of horse-riding holidays in some of the most beautiful and undiscovered parts of the Mid Wales countryside.

Price
Price £135.00 per adult
NCN Lon Cambria

Address

Mid Wales, SY20 8TG

Telephone
01654 702653

info@showmewales.co.uk

Lon Cambria is a 113-mile cycle route in the National Cycle Network which runs from Aberystwyth on the west coast of Wales, through the Cambrian Mountains and the Mid Wales Marches to Shrewsbury.
Y Lanfa | Powysland Museum & Library

Address

Y Lanfa Powysland Museum, The Canal Wharf, Welshpool, Powys, SY21 7AQ

Telephone
01938 55003

ylanfa@powys.gov.uk

Welshpool

The Powisland Museum is housed in a restored historic warehouse beside the Montgomery Canal with Welshpool Library on the ground floor and Powysland Museum upstairs. The museum depicts the archaeology and social history of Montgomeryshire.
Cwm Hengae Walk

Address

Corris, Machynlleth, Powys, SY20 9SS

Telephone
0300 065 3000

Powys

Start: NRW forest car park. Turn R just before Aberllefenni village sign
Grid Reference: SH 769 092
Distance: 7.4 km – 4.6 miles
Grade: Moderate
Terrain: Tarmac road and grassy tracks.
Maps: OS Explorer – OL 23
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.
Llanwrtyd Railway Station

Address

Station Rd, Llanwrtyd Wells, LD5 4RW

Telephone
0800 464 0000

Llanwrtyd Wells

Llanwrtyd railway station is on the Heart of Wales Line that runs from Shrewsbury to Swansea.
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!
Brecon | Poetry Trail

Address

Aberhonddu | Brecon, Powys, LD3 7AD

Telephone
01874 622485

Aberhonddu | Brecon

Brecon's poetry trail invites everyone to explore the streets, rivers and landmarks of the ancient Welsh town of Brecon and its connection to the myths and legends of the magical, mystical land of Wales.
Mari Lwyd New Year Walk In - Green Events

Address

Llanwrtyd Wells, Powys, LD5 4RB

Telephone
07493 654 048

Bob.g@green-events.co.uk

Llanwrtyd Wells

Dates

From:
31 Dec 2026

A short torch light walk from the square at 22:00 returning for traditional midnight celebrations in the square to welcome the New Year.
Llyn Brenig | Walking Trails

Address

Llyn Brenig Lake and Visitor Centre, Llyn Brenig Visitor Centre, Cerrigydrudion, Corwen, Denbighshire, LL21 9TT

Telephone
01490 420463

siwan.hughes@dwrcymru.com

Cerrigydrudion, Corwen

Number of designated walks ranging from ten mile 'round the lake walk to more leisurely themed trails including an archaeological trail. Guides available from visitor centre.
Castell y Bere - (Cadw)

Address

Abergynolwyn, Gwynedd, LL36 9TS

Telephone
0300 025 6000

cadw@gov.wales

Gwynedd

Deep in the mountainous heart of mid Wales, nestling at the foot of Cadair Idris, lie the ruins of Castell y Bere. An atmospheric site, it is an outstanding example of a stronghold of the native Welsh princes.
Llanwrtyd Wells | Heritage Trail

Address

Llanwrtyd Wells, Powys, LD5 4RW

Llanwrtyd Wells

Many of the locations in Llanwrtyd Wells have an interesting history and walking the Heritage Trail is an excellent way of learning about the town and taking in the beautiful surroundings.
NCN Lon Teifi

Address

Mid Wales, SY20 8TG

Telephone
01654 702653

info@showmewales.co.uk

Lôn Teifi is part of National Route 82 between Aberystwyth and Fishguard.
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.
Llandeilo Railway Station

Address

Station Rd, Llandeilo, Carmarthenshire, SA19 6ND

Telephone
0800 464 0000

Llandeilo

Llandeilo railway station is on the Heart of Wales Line that runs from Shrewsbury to Swansea.
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.
Welshpool and Berriew (Cycle Route)

Address

Trefaldwyn | Montgomery, Powys, SY15 6HN

Powys

A picturesque cycle ride which follows part of Route 81 on country lanes between Leighton and Berriew.
23.7 Miles (38.1km) 3 hours - Elevation Total Ascent: 549M
Tywyn

Address

Tywyn, Gwynedd, LL36 0DF

Telephone
01654 767321

TIC.Aberdyfi@eryri-npa.gov.uk

Tywyn

Tywyn is a coastal town in Southern Snowdonia on the Mid Wales coast. The name Tywyn comes from the Welsh word for beach or sand dunes.
The Polar Express at Brecon Mountain Railway

Address

Brecon Mountain Railway, Pant Station, Merthyr Tydfi, CF48 2DD

Telephone
01685 722988

info@bmr.wales

Merthyr Tydfi

Dates

From:

13 Nov 2026to23 Dec 2026

Step aboard Brecon Mountain Railway for a festive family adventure as The Polar Express™ arrives in Wales for Christmas 2026. Expect a magical train journey filled with characters, entertainment, seasonal treats and a very special encounter with…
The Precipice Walk

Address

Dolgellau, Southern Snowdonia, LL40 1PS

Southern Snowdonia

The Precipice Walk is one of the famous attractions of Dolgellau. It passes through an interesting variety of habitats which include deciduous woodland, a conifer plantation, meadows, lakeside and sheep-walk.
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.