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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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North Clettwr Valley Walk

Address

Llandysul, Ceredigion, SA44 4DN

Telephone
01239 613230

cardigantic@ceredigion.gov.uk

Ceredigion

Part of Llandysul Trails - North Clettwr Valley Walk
Start: SN452425 - Car Park, Capel Dewi church hall
Suitable for: Moderately fit walkers
Grade: Easy
Distance: 3.2km/2M
Time: 1 hour (excluding rest stops)
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!
PYFA Evening Concert | Gregynog

Address

Gregynog Hall & Gardens, Tregynon, Nr Newtown, Powys, SY16 3PL

Telephone
01686 650224

enquiries@gregynog.org

Nr Newtown

Dates

From:
29 July 2026Open 19:00 - 21:00

Join us for the opening concert of the second edition of Pererinion Ysbrydol Festival Academy!
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.
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…
Outdoor Theatre: King Arthur and the Holy Fail | Powis Castle

Address

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

Telephone
01938 551944

powiscastle@nationaltrust.org.uk

Welshpool

Dates

From:
22 July 2026Open 18:30 - 20:30

There inch fools present an epic quest of improbable proportions - an Arthurian adventure packed to the brim with medieval mayhem. Saddle up - things are about to get legendary.
August Sunset Specials | Talyllyn Railway

Address

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

Telephone
01654 710472

enquires@talyllyn.co.uk

Tywyn

Dates

From:
2 Aug 2026
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5 Aug 2026
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9 Aug 2026
From:
12 Aug 2026
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16 Aug 2026
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19 Aug 2026
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23 Aug 2026
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26 Aug 2026
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30 Aug 2026

Take a trip up the Fathew Valley in the golden evening sun with the Sunset Specials,
Summer Beer Festival | Talyllyn Railway

Address

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

Telephone
01654 710472

enquires@talyllyn.co.uk

Tywyn

Dates

From:

7 Aug 2026to9 Aug 2026

Come and join us for our Summer Beer Festival!
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.
Llandysul / Pont-Tyweli North Walk

Address

Llandysul, Ceredigion, SA44 4DN

Telephone
01239 613230

cardigantic@ceredigion.gov.uk

Ceredigion

Part of Llandysul Trails - Llandysul / Pont-Tyweli North Walk
Start: SN418406 - Car Park, Llandysul
Suitable for: Moderately fit walkers
Grade: Easy
Distance: 6.5km/4M
Time: 2.5 - 3hrs (excluding rest stops)
The Three Musketeers - Illyria at Cardigan Castle

Address

Cardigan Castle & Gardens, Cardigan, Ceredigion, SA43 1JA

Telephone
01239 615131

info@cardigancastle.com

Cardigan

Dates

From:
29 July 2026

The Three Musketeers by Alexandre Dumas is brought to life by the outdoor theatre company Illyria. Expect humour, action, and lively performances in the beautiful castle setting.
Taff Trail | Cardiff to Brecon

Address

Cardiff, CF10 1AH

Telephone
0300 303 2604

supporters@sustrans.org.uk

Cardiff

The Taff Trail is a 55mile/93km way-marked route for walkers and cyclists running from Cardiff to the Brecon Beacons National Park. Largely traffic-free, the 55 mile trail passes through a variety of landscapes.
Dyfi Discovery Walk | Centre for Alternative Technology Walk

Address

Centre For Alternative Technology, Llwyngwern Quarry, Pantperthog, Machynlleth, Powys, SY20 9AZ

Telephone
0300 065 3000

Pantperthog, Machynlleth

Start: Centre for Alternative Technology
(C.A.T) car park
Grid Reference: SH 754 044
Distance: 7.1 km – 4.4 miles
Grade: Moderate (some steep sections)
Terrain: Firm tracks, roads and open grassland
Maps: OS Explorer OL23 or 215
Hafren Forest | Walking Trails (NRW)

Address

Hafren Forest (NRW), Rhyd-y-benwch car park, Old Hall, Near Llanidloes, Powys, 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.
Fairbourne Railway Station

Address

Station Rd, Fairbourne, Gwynedd, LL38 2AQ

Telephone
0800 464 0000

Fairbourne

Fairbourne railway station is on the Cambrian Coast Line from Machynlleth to Pwllheli.
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.
Llandysul/Pont-Tyweli South Walk

Address

Llandysul, Ceredigion, SA44 4DN

Telephone
01239 613230

cardigantic@ceredigion.gov.uk

Ceredigion

Part of Llandysul Trails - Llandysul / Pont-Tyweli South Walk
Start: SN418406 - Car Park, Llandysul
Suitable for: Moderately fit walkers
Grade: Moderate
Distance: 9km/5.6M
Time: 2.5hrs (excluding rest stops)
Llangammarch Wells

Address

Llangammarch Wells, Powys, LD4 4EE

Llangammarch Wells

Llangammarch Wells lies south-west of Builth Wells and east of Llanwrtyd Wells and is the smallest of the four spa towns/villages of Mid Wales.
Cors Y Llyn Nature Reserve

Address

Newbridge-on-Wye, Builth Wells, Powys, LD2 3RU

Telephone
0300 065 3000

enquiries@naturalresourceswales.gov.uk

Builth Wells

The Cors y Llyn Reserve is one of several mires in the old county of Radnorshire and is located to the south of Newbridge-on-Wye.
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…