Brecon Mountain Railway
Brecon Mountain Railway is a narrow gauge tourist railway on the south side of the Brecon Beacons. This one stands 3.7 km north of Merthyr Tydfil. Officially, it is a National Monument of Wales.
Heritage railway near Merthyr Tydfil
Just outside Merthyr Tydfil
Brecon Mountain Railway is 3.7 km north of Merthyr Tydfil. Towns near it ↓
National Monument of Wales
On the official list of protected heritage; Merthyr Tydfil has 128 listed buildings in all, on its History page. About ↓
Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.
When to go
Warm weather in Merthyr Tydfil runs June to August, with highs of 17–19°C.
Brecon Mountain Railway
Readers can find it on Wikipedia in 7 languages. Top of the 15 other places within 15 km is Morlais Castle, 3.7 km off.
- Type
- Heritage railway
- Listed
- National Monument of Wales
- Wikipedias
- Covered in 7 languages
- Town
- 3.7 km north of Merthyr Tydfil
- Official site
- breconmountainrailway.co.uk
Mapping Brecon Mountain Railway
Find Brecon Mountain Railway in orange; each number is a place listed below.
© OpenStreetMap contributors · ONS built-up area 2022
The towns around Brecon Mountain Railway
The most populous of the 8 is Merthyr Tydfil, at 39,542. The list runs from its own town outward.
Merthyr Tydfil
Rhymney
Fochriw
Tredegar
Compare the 8 towns
| Town | Where Brecon Mountain Railway is | People | Places to visit |
|---|---|---|---|
| Merthyr Tydfil | 3.7 km south of it | 39,542 | 5 |
| Rhymney | 7.8 km southeast of it | 4,998 | 4 |
| Fochriw | 9.1 km southeast of it | 1,148 | 4 |
| Tredegar | 9.2 km southeast of it | 14,534 | 6 |
| Pontlottyn | 9.4 km southeast of it | 1,832 | 4 |
| Abertysswg | 10 km southeast of it | 1,424 | 5 |
| Troedyrhiw and Pentrebach | 10 km south of it | 3,780 | 1 |
| Llangynidr | 12 km northeast of it | 1,038 | 4 |
After Brecon Mountain Railway
Nearby, 15 places within 15 km include 4 museums, 3 castles and a historic house.
CastleMorlais Castle3.7 km away2
Castle · CadwBlaenllynfi Castle13 km away3
CastleTretower Castle15 km away4MuseumMuseumCyfarthfa Castle Museum & Art Gallery6.1 km away5MuseumMuseumCynon Valley Museum & Gallery12 km away6MuseumMuseumTredegar Museum9.4 km away7MuseumMuseumTredegar Medical Aid Society Heritage Centre9.4 km away8Historic houseHistoric houseBuckland Hall11 km awayWithin 15 km, close and well known first. Numbers match the map.
Planning a visit to Brecon Mountain Railway
Where is Brecon Mountain Railway?
Brecon Mountain Railway is 3.7 km north of Merthyr Tydfil, Mid Glamorgan.
What is Brecon Mountain Railway?
Narrow gauge tourist railway on the south side of the Brecon Beacons.
When is the best time to visit Brecon Mountain Railway?
June to August are the warmest months in Merthyr Tydfil, with afternoon highs of 17–19°C (Met Office 1991–2020 averages).
Is Brecon Mountain Railway a listed building?
Yes: National Monument of Wales.
What else is there to see near Brecon Mountain Railway?
Within 15 km: Morlais Castle (3.7 km), Blaenllynfi Castle (13 km), Tretower Castle (15 km) and Cyfarthfa Castle Museum & Art Gallery (6.1 km).
Places: OpenStreetMap (© OpenStreetMap contributors, Open Database Licence) and Wikidata (CC0), placed in the ONS 2022 built-up area (Open Government Licence v3.0). Visitor counts are the latest Wikidata gives, with their year.
Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).
Photo credits (3)
- Morlais Castle: Gibbinskaren, CC BY-SA 4.0, Wikimedia Commons
- Blaenllynfi Castle: Jeremy Bolwell, CC BY-SA 2.0, Wikimedia Commons
- Tretower Castle: Pete Chapman, CC BY-SA 2.0, Wikimedia Commons
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.