Castell Rhonyn
You reach Castell Rhonyn, a castle, by heading 3.2 km west of Llanfechell. Its status is a scheduled monument. Our list has 7 more places within 15 km; first among them is Caer Gybi Roman Fort, at 12 km.
Castle near Llanfechell
Just outside Llanfechell
Castell Rhonyn is 3.2 km west of Llanfechell. Towns near it ↓
Scheduled monument
On the official list of protected heritage; Llanfechell has 6 listed buildings in all, on its History page. About ↓
Written from OpenStreetMap, Wikidata, the ONS built-up areas and Met Office 1991–2020 averages.
Choosing a month
July and August bring the warmest afternoons to Llanfechell, at 18°C.
Castell Rhonyn
Ringwork in Anglesey, Wales, UK.
- Type
- Castle
- Listed
- Scheduled monument
- Town
- 3.2 km west of Llanfechell
Its place on the map
Numbered points are the places near Castell Rhonyn, which is in orange.
© OpenStreetMap contributors · ONS built-up area 2022
The nearest towns to Castell Rhonyn
Pick a base: each town is a page of its own, with what else there is to see.
Llanfechell
Cemaes
Compare the 2 towns
| Town | Where Castell Rhonyn is | People | Places to visit |
|---|---|---|---|
| Llanfechell | 3.2 km east of it | 614 | 1 |
| Cemaes | 4 km northeast of it | 1,023 | 1 |
Worth adding to a visit
Among the 7 within 15 km are 2 forts, 2 museums and 2 attractions.
FortCaer Gybi Roman Fort12 km away2
MuseumHolyhead Maritime Museum11 km away3
FortWorld War II Pillbox14 km away4MuseumMuseumHolyhead at War12 km away5AttractionAttractionRoundhouse5.7 km away6AttractionAttractionMelin Llynon5.7 km away7CastleCastleThe Old Watchtower12 km awayWithin 15 km, close and well known first. Numbers match the map.
A visit to Castell Rhonyn: questions
Where is Castell Rhonyn?
Castell Rhonyn is 3.2 km west of Llanfechell, Gwynedd.
What is Castell Rhonyn?
Ringwork in Anglesey, Wales, UK.
When is the best time to visit Castell Rhonyn?
July and August are the warmest months in Llanfechell, with afternoon highs of 18–18°C (Met Office 1991–2020 averages).
Is Castell Rhonyn a listed building?
Yes: scheduled monument.
What else is there to see near Castell Rhonyn?
Within 15 km: Caer Gybi Roman Fort (12 km), Holyhead Maritime Museum (11 km), World War II Pillbox (14 km) and Holyhead at War (12 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 (4)
- Castell Rhonyn: Eric Jones, CC BY-SA 2.0, Wikimedia Commons
- Caer Gybi Roman Fort: Nigel Mykura, CC BY-SA 2.0, Wikimedia Commons
- Holyhead Maritime Museum: Cls14, CC BY-SA 3.0, Wikimedia Commons
- World War II Pillbox: Eric Jones, 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.