Castles · North Wales
Trefadog Castle
In or near Trearddur.
Trefadog Castle — fortification in Anglesey, Wales, UK.

Wikimedia Commons contributors — see linked file page for photographer and licence licence
Plan your visit
- Typical visit
- 1.5 h–3 h
- Nearest railway station
- Holyhead · 5.7 km
- Family-friendly
- Limited wheelchair access
About
Trefadog Castle is a castle in the United Kingdom — fortified architecture from the medieval, Tudor, or Victorian-revival period. Heritage designation: scheduled monument. Wikidata describes it as: "fortification in Anglesey, Wales, UK". Coordinates: 53.3423°, -4.5688°.
Photo gallery
Place summary
Trefadog Castle is a scheduled monument located in Llanfaethlu, North Wales. This historic site reflects the region's medieval heritage. The castle's remains provide insight into the area's past and architectural evolution.
AI-generated from the structured facts on this page (operator, designation, listing, era). Not a substitute for visiting.
- Coordinates
- 53.3423, -4.5688
- District
- Isle of Anglesey
- Parish
- Llanfaethlu
- Postcode
- LL65 4PE
- Parliamentary constituency
- Ynys Môn
- Nearest railway station
- Holyhead — 5.7 km
Sources
- wikidata: Q24660286 (CC0)
- commons: Castell Trefadog.jpg (CC BY-SA 4.0)
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Castell Trefadog
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Llanfwrog, Anglesey
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St Mwrog's Church
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Llanfaethlu
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St Maethlu's Church
Historic churches · 2.5 km

Church Bay
Natural landmarks · 2.7 km

Standing Stone
Archaeological sites · 2.9 km
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Frequently asked questions
- Where is Trefadog Castle?
- Trefadog Castle is in North Wales, United Kingdom (postcode LL65 4PE), in the parish of Llanfaethlu.
- What is Trefadog Castle?
- Trefadog Castle — fortification in Anglesey, Wales, UK.
- How do I get to Trefadog Castle?
- The nearest railway station is Holyhead, about 5.7 km away. Drivers can use postcode LL65 4PE.
- Is Trefadog Castle a listed building?
- Trefadog Castle is officially recognised as scheduled monument listed.
- Does Trefadog Castle charge admission?
- Trefadog Castle typically charges admission. Check the official site for current ticket prices and opening hours.
- How do I get to Trefadog Castle?
- The nearest railway station is Holyhead, about 5.7 km away. Drivers can navigate to postcode LL65 4PE.