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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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Heritage Weekend | Talyllyn Railway

Address

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

Telephone
01654 710472

enquiries@talyllyn.co.uk

Tywyn

Dates

From:

12 Sept 2026to13 Sept 2026

Celebrating our rich history as one of the first narrow gauge passenger railways!
Hergest Croft Gardens Autumn Plant Fair

Address

Hergest Croft Gardens, Ridgebourne Raod, Kington, Herefordshire, HR5 3EG

Telephone
01544230160

gardens@hergest.co.uk

Kington

Dates

From:
11 Oct 2026Open 10:00 - 16:00

Welcome the arrival of autumn at the beautiful Hergest Croft Gardens with a fantastic plant fair surrounded by stunning seasonal colour. Browse a wonderful selection of plants from specialist growers and nurseries, with plenty of inspiration for…
Glaslyn Nature Reserve

Address

Aberhosan, Powys, SY20 8RE

Telephone
01938 555654

Powys

Glaslyn is Montgomeryshire Wildlife Trust’s biggest nature reserve, an integral part of the Cambrian Mountains.
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…
Betsi Cadwaladr | Heritage Trail

Address

Station Road, Bala, Gwynedd, LL23 7NG

Bala

A circular walk first through the town, over farmland and moorland to Llanycil returning along the lake and through the town with many stiles. The walk passes various locations associated with Betsi Cadwaladr.
Montgomery | Town Heritage Trail

Address

Trefaldwyn | Montgomery, Powys, SY15 6HN

Trefaldwyn | Montgomery

2.17miles (3.5km) takes about 1.5hours and is a moderate walk with a moderate grade - Download the PDF
Bogathlon - Return of the mud! - Green Events

Address

Llanwrtyd Wells, Powys, LD5 4RW

Telephone
07493 654048

Bob.g@green-events.co.uk

Dates

From:
29 Aug 2026

Watch friends, family and fellow competitors as they race around the bog field!
Wales Coast Path | Gower & Swansea Bay

Address

Margam Country Park - Llanmadoc, SA3 1DA

Telephone
0300 065 3000

wcp@cyfoethnaturiolcymru.gov.uk

This stretch of the Wales Coast Path is an area of contrasts; from the stunning coastline of the Gower Peninsula, with its award winning golden beaches, to the busy seaside city of Swansea and spectacular views over Swansea Bay.
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.
Llanidloes

Address

Llanidloes, Powys, SY18 6EQ

information@llanidloes.com

Llanidloes

Llanidloes is a small historic market town in Mid Wales; it is the first town along the River Severn.
Glyndwr's Way | Knighton - Llanidloes

Address

Trail Start - Knighton, Knighton - Felindre - Abbeycwmhir - Llanidloes, Powys, LD7 1EN

Telephone
01597 827562

helen.tatchell@powys.gov.uk

Knighton - Felindre - Abbeycwmhir - Llanidloes

The 135 m/217km National Trail is a long distance walk which can be enjoyed as a continuous journey, typically taking around nine days, or over a series of weekend or day trips.
Tal-y-bont Beach / Benar Beach

Address

Tal-y-bont, Barmouth, Gwynedd, LL44 2HD

Telephone
01341 281617

info@barmouthstation.com

Barmouth

To the north of Barmouth near Tal-y-bont, Bennar's fine, sandy beach is backed by the occasional sand dune.
The Shrine Church of Saint Melangell

Address

Pennant Melangell, Llangynog, Powys, SY10 0HQ

Telephone
01691 860408

admin@stmelangell.org

Llangynog

St Melangell's is one of the loveliest small churches in Britain, and one of the most remote. Its famous shrine attracts many visitors, but not enough to disturb its tranquillity.
Walking Newtown

Address

Various Walking Trails, Y Drenewydd | Newtown, Powys, SY16 2BB

Telephone
01686 625544

townclerk@newtown.org.uk

Y Drenewydd | Newtown

Walking Newtown have developed a series of walks in and around the Newtown area. The walks are all graded and vary from easy to strenuous, town trails, short strolls and accessible trails.
Presteigne Local Food Market

Address

Memorial Hall, Station Road, Presteigne, Powys, LD8 2UG

cmbrassington55@btinternet.com

Presteigne

Dates

From:
5 Sept 2026

Presteigne Local Food Market takes place at the Memorial Hall, Station Road, Presteigne LD8 2DU - usually on the first Saturday of each month.
Montgomery Castle (Cadw)

Address

Montgomery Castle, Montgomery, Powys, SY15 6HN

Telephone
0300 025 6000

cadw@gov.wales

Montgomery

Montgomery Castle is a masonry castle standing on a rocky promontory above the town of Montgomery. Precipitous slopes to the north and east make this an excellent defensive site.
Ron Skilton Memorial Half Marathon - Green Events

Address

Llanwrtyd Wells, Powys, LD5 4RB

Telephone
07493 654048

Bob.g@green-events.co.uk

Dates

From:
18 Oct 2026

An off-road half marathon with donation going to the Motor Neurone Disease Association, all centred around Llanwrtyd Wells,
Morfa Mawddach Railway Station

Address

Morfa Mawddach, Gwynedd, LL39 1BQ

Telephone
0800 464 0000

Morfa Mawddach

Morfa Mawddach railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli and is located south-east of Barmouth, south of the Mawddach estuary.
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.
Dyfi Discovery Walk | Ceinws to Llanwrin Walk

Address

Ceinws, Machynlleth, Powys, SY20 8BL

Telephone
0300 065 3000

Machynlleth

Start: Ceinws village
Grid Reference: SH760 059
Distance: 11.3 km – 7 miles (additional 0.7km - 0.4 miles to Llanwrin)
Grade: Moderate / Strenuous
Terrain: Firm tracks, open fields
Maps: OS Explorer 215
Aberystwyth Bus Station

Address

Alexandra Road, Aberystwyth, Ceredigion, SY23 1LH

Telephone
0800 464 0000

feedback@traveline.cymru

Aberystwyth

Aberystwyth bus station is next to the railway station with services from/to London, Cardiff, Carmarthen, Bangor, Haverfordwest, Fishguard and Cardigan.