Castle · near Llandygai · Gwynedd

Penrhyn Castle

Penrhyn Castle is a country house. This one stands 900 m northeast of Llandygai. It is on the official list as a Grade I listed building.

Photo: Penrhyn Castle, Llywelyn2000 (CC BY-SA 4.0)

Where

900 m

northeast of Llandygai

Run by

National Trust

a national heritage body

How well known

Top 7%

#598 of 8,556 places we list

Warmest months

Jun–Sep

highs of 18–20°C

In brief

Castle near Llandygai

One of the best-known places to visit in England, Scotland, Wales and Northern Ireland

#598 of the 8,556 museums, castles, gardens and other attractions we list, by how widely it is covered (9 Wikipedias). About ↓

Just outside Llandygai

Penrhyn Castle is 900 m northeast of Llandygai. Towns near it ↓

Cared for by the National Trust

One of the places the National Trust looks after; members usually get in free. About ↓

Grade I listed building

On the official list of protected heritage; Llandygai has 39 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

Picking your season

In Llandygai the warm season is June to September, with highs of 18–20°C.

Jan8° / 3°119 mm

Feb9° / 3°86 mm

Mar10° / 4°77 mm

Apr13° / 6°66 mm

May16° / 9°66 mm

Jun18° / 11°68 mm

Jul20° / 13°76 mm

Aug20° / 13°83 mm

Sep18° / 11°100 mm

Oct15° / 9°131 mm

Nov11° / 6°132 mm

Dec9° / 4°128 mm

Green months are the warmest. Typical afternoon highs and night lows in Llandygai, and rain in a month. Met Office HadUK-Grid 1991–2020 averages for Llandygai. Opening times change through the year: check before you go. Llandygai’s full climate →

About

Penrhyn Castle

The site is looked after by the National Trust. Readers can find it on Wikipedia in 9 languages. Add Castell Biwmares / Beaumaris Castle, 4.3 km away, to a visit; it leads 30 places within 15 km.

Llandygai’s listed buildings and monuments →

Type: Castle
Run by: National Trust
Listed: Grade I listed building
Wikipedias: Covered in 9 languages
Town: 900 m northeast of Llandygai
Official site: nationaltrust.org.uk/penrhyn-castle

Facts: Wikidata (CC0) and OpenStreetMap (© OpenStreetMap contributors).

Plan your visit

Visit details

Entrance fees

EntryA fee is charged

Hours and entry: OpenStreetMap contributors. They change through the year: check its site before you go.

The map

The area around Penrhyn Castle

On this map, Penrhyn Castle is orange and its neighbours are numbered.

Towns near it

Towns a short way from Penrhyn Castle

Largest of the 8 is Bangor, home to 16,994. Closest first, each of these towns names it on its page.

1 · 900 m southwest of it

Llandygai

331 people · 13 places to visit

2 · 1.1 km west of it

Bangor

16,994 people · 19 places to visit

3 · 3 km northwest of it

Llandegfan

999 people · 15 places to visit

4 · 3.1 km south of it

Tregarth

1,252 people · 6 places to visit

Compare the 8 towns

Town	Where Penrhyn Castle is	People	Places to visit
Llandygai	900 m southwest of it	331	13
Bangor	1.1 km west of it	16,994	19
Llandegfan	3 km northwest of it	999	15
Tregarth	3.1 km south of it	1,252	6
Beaumaris	3.5 km north of it	1,120	14
Rachub	4.2 km southeast of it	893	3
Menai Bridge	4.3 km west of it	3,045	16
Bethesda	4.5 km southeast of it	3,757	3

Make a day of it

Worth adding to a visit

Nearby, 30 places within 15 km include 3 castles, a cathedral and a pier.

Castle · CadwCastell Biwmares / Beaumaris Castle4.3 km away 2

CathedralBangor Cathedral2.2 km away 3CastleCastle · CadwCastell Dolbadarn12 km away 4

CastleCastell Aberlleiniog7.5 km away 5

PierGarth Pier2.3 km away 6

GardenTreborth Botanic Garden5.3 km away 7

MuseumWelsh Slate Museum12 km away 8

Heritage railwayLlanberis Lake Railway11 km away

Within 15 km, close and well known first. Numbers match the map.

Asked about Penrhyn Castle

Where is Penrhyn Castle?

Penrhyn Castle is 900 m northeast of Llandygai, Gwynedd.

What is Penrhyn Castle?

Country house in Llandygái, Gwynedd, Wales.

Who runs Penrhyn Castle?

National Trust, so members usually get in free; check opening times before you go.

When is the best time to visit Penrhyn Castle?

June to September are the warmest months in Llandygai, with afternoon highs of 18–20°C (Met Office 1991–2020 averages).

Is Penrhyn Castle a listed building?

Yes: Grade I listed building.

What else is there to see near Penrhyn Castle?

Within 15 km: Castell Biwmares / Beaumaris Castle (4.3 km), Bangor Cathedral (2.2 km), Castell Dolbadarn (12 km) and Castell Aberlleiniog (7.5 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 (8)

Penrhyn Castle: Llywelyn2000, CC BY-SA 4.0, Wikimedia Commons
Castell Biwmares / Beaumaris Castle: Llywelyn2000, CC BY-SA 4.0, Wikimedia Commons
Bangor Cathedral: Denis Egan from Bangor, Gwynedd, North Wales, CC BY 2.0, Wikimedia Commons
Castell Aberlleiniog: Stephen Elwyn RODDICK, CC BY-SA 2.0, Wikimedia Commons
Garth Pier: Reading Tom from Reading, UK, CC BY 2.0, Wikimedia Commons
Treborth Botanic Garden: CV1958 (Colin Viney), CC BY-SA 4.0, Wikimedia Commons
Welsh Slate Museum: Talsarnau Times, CC BY-SA 4.0, Wikimedia Commons
Llanberis Lake Railway: The original uploader was Mick Knapton at English Wikipedia., CC BY-SA 3.0, 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.