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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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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
RSPB Gwenffrwd-Dinas Nature Reserve

Address

Ystradffin, Llandovery, Carmarthenshire, SA20 0PG

Telephone
02920 353000

gwenffrwd.dinas@rspb.org.uk

Llandovery

This delightful reserve is set in the heart of Mid Wales near Ystradffin, Rhandirmwyn. Dinas is a pleasant circular walk, part of the circuit is steep with difficult terrain. Strong footwear is advised.
Glyndwr's Way | Llanwddyn - Welshpool

Address

Mid Wales, Powys, SY21 7DD

Telephone
01597 827562

helen.tatchell@powys.gov.uk

A 132 mile National Trail set in the heart of Mid Wales breathtaking countryside, dedicated to the 15th Century Welsh Prince Owain Glyndwr
Hafren Forest | Source of the Severn Trail (NRW)

Address

Rhyd-y-benwch Car Park, Old Hall, LLANIDLOES, Powys, SY18 6PT

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

LLANIDLOES

In the heart of the Cambrian Mountain uplands of Mid Wales, the River Severn springs from the upper slopes of Pumlumon Cwmbiga. The walking trail to the source of the Severn starts in the Hafren Forest. Follow the white waymarkers. When reaching the…
Tywyn Beach

Address

Tywyn, Tywyn, Gwynedd, LL36 0DF

Telephone
01654 767321

TIC.Aberdyfi@snowdonia.gov.wales

Tywyn

The west facing beach at Tywyn in southern Snowdonia is a long stretch of sand and pebbles backed by sand dunes.
Llwyngwril

Address

Gwynedd, LL37 2JS

Telephone
01341 280787

barmouth.tic@gwynedd.gov.uk

Llwyngwril is a coastal village with a population of around 500. The village falls within the Snowdonia National Park.
MWT Cymru | Meeting Room

Address

Mid Wales Tourism, The Station, Machynlleth, Powys, SY20 8TG

Telephone
01654 702653

davina@mwtcymru.co.uk

Machynlleth

Great location at Machynlleth Train Station, this first floor meeting room can be booked for interviews, training sessions, group/association meetings.
Hafren Forest (NRW)

Address

Hafren Forest (NRW), Rhydybenwch Car Park, Old Hall, Near Llanidloes, SY18 6PT

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

Old Hall, Near Llanidloes

Choice of walking trails along the River Severn which flows through Hafren Forest. Trails go to waterfalls and the source of the Severn on Pumlumon. Riverside accessible trail with viewing platform over cascades. Picnic area and toilets.
Cregennan Lakes

Address

Nr Dolgellau, Gwynedd, LL39 1LJ

Telephone
01341440238

eryri@nationaltrust.org.uk

Nr Dolgellau

Cregennan Lakes in southern Snowdonia are owned by the National Trust and are a renowned and often photographed beauty spot. There are tremendous views of the Mawddach Estuary and Barmouth Bridge from near the lake.and the lakes are situated on the…
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.
Powis Castle | Courtyard Restaurant

Address

Powis Castle and Garden, Welshpool, Powys, SY21 8RF

Telephone
01938 551920

powiscastle@nationaltrust.org.uk

Welshpool

Powis Castle’s restaurant has long been acknowledged as an example of excellence. Enjoy a variety of traditional dishes made with local, seasonal ingredients such as organic Welsh black beef, sourced from a local farm.
Apple Weekend at Llanerchaeron

Address

Llanerchaeron, Aberaeron, Ceredigion, SA48 8DG

Telephone
01545 570200

llanerchaeron@nationaltrust.org.uk

Aberaeron

Dates

From:

2 Oct 2026to4 Oct 2026Open 10:00 - 16:00

Celebrating the humble apple with apple displays, orchard talks, children's activities and much more!
Lôn Mawddach | Mawddach Trail

Address

Mawddach Estuary, Southern Snowdonia, LL40 2TA

Southern Snowdonia

The walk along the estuary from Barmouth to Dolgellau is 9.6 miles (15km). This easy leisure walk is suitable for all the family and involves no climbing. A section of the trail has been adapted for people with disabilities.
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!
Mid-Wales 4 Day Walking Festival - Green Events

Address

Various routes, Llanwrtyd Wells, Powys, LD5 4RW

Telephone
07493 654048

Bob.g@green-events.co.uk

Llanwrtyd Wells

Dates

From:

16 Sept 2026to19 Sept 2026

Choice of waymarked routes each day, covering a different area of the surrounding mountains, forests & valleys, through the magnificent scenery of mid-Wales
Sustrans Route 81:Aberystwyth - Rhayader

Address

Aberystwyth Town Centre, SY23 1LG

Telephone
01179268893

Sustrans route 81 or "Lon Cambria" is an East-West cycle route which crosses the Cambrian Mountains and heads towards Shrewsbury and beyond.
Dyfnant Forest | Pont Llogel Wood

Address

Dyfnant & Vyrnwy Forests (NRW), Car Park & Picnic Site, Lake Vyrnwy, Powys, SY21 0QH

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

Lake Vyrnwy

Pont Llogel is a small woodland within the Dyfnant Forest next to the Afon Efyrnwy (River Vyrnwy) and the car park and picnic area is set beside an old stone bridge at the edge of a hamlet. This tranquil area has been designated a SSSI choice of 3…
Rhaeadr Gwy | Rhayader

Address

Rhayader, Powys, LD6 5BU

Rhayader

A busy, historic market town, Rhayader is named after 'Rhayadr Gwy', a Welsh name for a local waterfall on the Wye. The town is situated in the very heart of Mid Wales in the beautiful Upper Wye Valley sheltered by the Cambrian Mountains.
Pwll Penarth Nature Reserve

Address

Llanllwchaiarn, Newtown, Powys, SY16 3BA

Telephone
01938 555654

info@montwt.co.uk

Newtown

This reserve was once part of the sewage farm next door!
Newtown Food Festival

Address

Town Hall Grounds / High Street, Newtown, Powys, SY16 1NS

enquiries@newtown.org.uk

Newtown

Dates

From:
5 Sept 2026Open 10:00 - 22:00
From:
6 Sept 2026Open 10:00 - 17:00

A celebration of food and flavour is heading to Newtown with the arrival of the annual food festival on Saturday 5th and Sunday 6th September.
Gwyl Portmeirion Festival

Address

Portmeirion, Minffordd, Penrhyndeudraeth, Gwynedd, LL48 6ER

Telephone
01766 770000

post@portmerion.wales

Penrhyndeudraeth

Dates

From:
29 Aug 2026Open 18:00 - 23:00

Set against the colourful backdrop of Portmeirion, the Gwyl Portmeirion Festival 2026 promises a summer of music and celebration. Marking the village’s 100th anniversary, the event brings together renowned artists and Welsh talent for a unique…