Morlais Castle
Morlais Castle is a hillfort in Merthyr Tydfil County Borough. On the official register, it is a scheduled monument. Our list has 15 more places within 15 km; first among them is Brecon Mountain Railway, at 3.7 km.
Castle near Merthyr Tydfil
Just outside Merthyr Tydfil
Morlais Castle is 1 km north of Merthyr Tydfil. Towns near it ↓
Scheduled monument
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.
Warm months and wet ones
For warmth, aim for June to August (17–19°C highs in Merthyr Tydfil).
Morlais Castle
It has articles in 8 Wikipedias.
- Type
- Castle
- Listed
- Scheduled monument
- Wikipedias
- Covered in 8 languages
- Town
- 1 km north of Merthyr Tydfil
Getting your bearings
On this map, Morlais Castle is orange and its neighbours are numbered.
© OpenStreetMap contributors · ONS built-up area 2022
Nearby towns
The 8 towns are led in size by Merthyr Tydfil, with 39,542 people. Start with its own town; the others follow by distance.
Merthyr Tydfil
Rhymney
Fochriw
Troedyrhiw and Pentrebach
Compare the 8 towns
| Town | Where Morlais Castle is | People | Places to visit |
|---|---|---|---|
| Merthyr Tydfil | 1 km south of it | 39,542 | 5 |
| Rhymney | 6.6 km east of it | 4,998 | 4 |
| Fochriw | 7 km southeast of it | 1,148 | 4 |
| Troedyrhiw and Pentrebach | 7.1 km south of it | 3,780 | 1 |
| Pontlottyn | 7.7 km southeast of it | 1,832 | 4 |
| Aberdare | 8.6 km southwest of it | 37,675 | 5 |
| Abertysswg | 8.9 km southeast of it | 1,424 | 5 |
| Tredegar | 9.3 km east of it | 14,534 | 6 |
Nearby, too
Also close at hand are 5 museums, a heritage railway and a castle, among 15 within 15 km.
CastleLlancaiach-fawr14 km away3MuseumMuseumCyfarthfa Castle Museum & Art Gallery2.4 km away4MuseumMuseumCynon Valley Museum & Gallery8.2 km away5MuseumMuseumTredegar Museum9.2 km away6MuseumMuseumTredegar Medical Aid Society Heritage Centre9.2 km away7AttractionAttractionPenderyn Distillery9.9 km away8MuseumMuseumWinding House12 km awayWithin 15 km, close and well known first. Numbers match the map.
What people ask about Morlais Castle
Where is Morlais Castle?
Morlais Castle is 1 km north of Merthyr Tydfil, Mid Glamorgan.
What is Morlais Castle?
Hillfort in Merthyr Tydfil County Borough, Wales.
When is the best time to visit Morlais Castle?
June to August are the warmest months in Merthyr Tydfil, with afternoon highs of 17–19°C (Met Office 1991–2020 averages).
Is Morlais Castle a listed building?
Yes: scheduled monument.
What else is there to see near Morlais Castle?
Within 15 km: Brecon Mountain Railway (3.7 km), Llancaiach-fawr (14 km), Cyfarthfa Castle Museum & Art Gallery (2.4 km) and Cynon Valley Museum & Gallery (8.2 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 (2)
- Morlais Castle: Gibbinskaren, CC BY-SA 4.0, Wikimedia Commons
- Llancaiach-fawr: Rose Cottage, Public domain, 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.