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You are here: Destinations > Bannau Brycheiniog (Brecon Beacons) > Things to Do

Things to Do in the Brecon Beacons | Walks, Waterfalls and Adventures

What Can You Do in the Brecon Beacons?

The Brecon Beacons, now officially called Bannau Brycheiniog, cover 520 square miles of mountains, moorland, valleys, rivers and market towns. It is one of three national parks in Wales and one of the most accessible mountain areas in Britain.

Walking

Pen y Fan is the highest peak in south Wales at 886 metres. The most popular route starts from Pont ar Daf and takes about two hours to the summit. On clear days you can see the Bristol Channel. For something quieter, Fan y Big and Corn Du are equally rewarding with fewer people. The Beacons Way is a 100-mile trail crossing the full width of the national park.

Waterfalls and Caves

Waterfall Country in the south of the park has a cluster of falls along wooded gorges. The Four Waterfalls Walk from Cwm Porth is the classic route, ending at Sgwd yr Eira where you walk behind the curtain of water. Dan yr Ogof showcases caves open to the public, the largest cave system in Western Europe with cathedral-scale chambers.

Stargazing

The Brecon Beacons is an International Dark Sky Reserve, one of only a handful worldwide. On clear nights the Milky Way is visible with the naked eye. The National Park organises stargazing events, and the observatory near Brecon runs public sessions.

Market Towns

Brecon is the main town with independent shops, pubs and restaurants around the cathedral. Crickhowell has become known for its food scene and walking access. Hay-on-Wye, on the park's eastern edge, is famous for its bookshops and annual literary festival.

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Presteigne Festival

Address

Various Venues, Presteigne, Powys, LD8 2YT

Telephone
01544 267800

bookings@presteignefestival.com

Presteigne

Dates

From:

27 Aug 2026to31 Aug 2026

The annual Presteigne Festival is Internationally renowned for its commissioning of new work, support of living composers and with a long tradition for the encouragement of talented young artists.
Victorian Train Day | Talyllyn Railway

Address

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

Telephone
01654 710472

enquires@talyllyn.co.uk

Tywyn

Dates

From:
20 Sept 2026
From:
27 Sept 2026

Step back in time to the Era of Queen Victoria and travel through untouched and unparalleled Snowdonian scenery aboard The Victorian Train.
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…
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.
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.
Cadair Idris | Visitor Centre & Tea Room (NRW)

Address

Minffordd, Talyllyn, Tywyn, Gwynedd, LL36 9AJ

Telephone
01654 761505

Tywyn

Cadair Idris Visitor Centre & Tea Room is 250 metres from the car park and the Minffordd path to the Cadair Idris summit passes by them.
Llyn Brianne Reservoir & Dam

Address

Rhandirmwyn, Llandovery, Carmarthenshire, SA20 0PG

Llandovery

Llyn Brianne is a spectacular reservoir at almost 300m (990ft) above sea level. It holds over 64million cubic metres of water contained by a 91m (300ft) stone-built dam and is the largest of its kind in Europe.
Tref-y-Clawdd | Knighton Railway Station

Address

Tref-y-Clawdd | Knighton, Knighton, Powys, LD7 1EN

Knighton

Knighton Station is on the border between England and Wales. The town is situated on two National Trails routes and mid point along the famous Offa’s Dyke.
Llandrindod Railway Station

Address

Station Crescent, Llandrindod Wells, Powys, LD1 5BB

Telephone
01597 822053

Llandrindod.bookingoffice@tfwrail.wales

Llandrindod Wells

Llandrindod railway station is on the Heart of Wales Line that runs from Shrewsbury to Swansea.
Brecon Beacons | Pen y Fan & Corn Du

Address

Pant ar Daf, Central Brecon Beacons, Powys, LD3 8NL

Telephone
01874 625515

brecon@nationaltrust.org.uk

Central Brecon Beacons

Pen y Fan and Corn Du are the two highest peaks of the central Brecon Beacons. They dominate the landscape for miles around, and make up one of the most recognisable skylines in the UK.
Rail & Trail Adventures

Address

Vale of Rheidol Railway, Park Avenue, Aberystwyth, Ceredigion, SY231PG

Telephone
01970 625819

info@vor.wales

Aberystwyth

Dates

From:
19 July 2026Open 10:30 - 16:45
From:
15 Aug 2026Open 10:30 - 16:45
From:
19 Sept 2026Open 10:30 - 16:45
From:
17 Oct 2026Open 10:30 - 16:45

Enjoy a 12 mile scenic steam journey on the railway before embarking on a guided walk through the breathtaking landscapes surrounding Devil's Bridge.
Aberystwyth Castle

Address

Aberystwyth, Ceredigion, SY23 2AG

Telephone
01970 612125

Ceredigion

In the marvellous sweep of Cardigan Bay stand the ruins of one of Edward I's late 13th century castles. Of the seven major English strongholds he established in Wales, Aberystwyth Castle has fared least favourably in the survival stakes.
Cors Dyfi Nature Reserve

Address

Derwenlas, Machynlleth, Powys, SY20 8SR

Telephone
01654 781414

enquiries@dyfiospreyproject.com

Machynlleth

The Cors Dyfi reserve in the heart of the UNESCO Dyfi Biosphere is a mixture of bog, swamp, wet woodland and scrub supporting a plethora of animals and plants, including the magnificent ospreys and the recently introduced beavers.
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.
Morfa Dyffryn Nature Reserve (NRW)

Address

Dyffryn Ardudwy, near Barmouth, LL43 2AR

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

near Barmouth

The spectacular Morfa Dyffryn Reserve stretches for about 4.5 miles along the coast of Cardigan Bay from Afon Ysgethin in the south to Afon Artro in the north.
Pistyll Rhiwargor | Rhiwargor Waterfall

Address

Rhiwargor Falls, Llanwddyn, Powys, SY10 0NE

Llanwddyn

Pistyll Rhiwargor is one of the highest waterfalls in Wales and sits at the northern end of Lake Vyrnwy within the RSPB Lake Vyrnwy Reserve. Access to the falls is short 20-30 minute walk signposted from the car park and picnic site less than a mile…
Race the Train

Address

Tal-y-llyn Railway, Tywyn, Gwynedd, LL36 0DF

info@racethetrain.com

Tywyn

Dates

From:
15 Aug 2026

This unique event is a must for all multi - terrain runners. Many competitors return regularly to Tywyn to try and better their performance or just beat that train while others have run nearly every year since the races started.
World Mountain Bike Chariot Racing Championship - Green Events

Address

Llanwrtyd Wells, Powys, LD5 4RW

Telephone
07493 654048

Bob.g@green-events.co.uk

Dates

From:
15 Aug 2026Open 16:00 -

Another chance to become a world champion, and all you have to do is pedal your mountain bikes the fastest!
Llyn Coed y Dinas Nature Reserve

Address

Welshpool, Powys, SY21 8RP

Telephone
01938 555654

info@montwt.co.uk

Welshpool

Created from a gravel pit, quarried to provide material for the creation of the Welshpool bypass, Llyn Coed y Dinas is a fantastic home for all sorts of wildlife.
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