Why visit Deiniolen
Townapedia lists 9 museums and landmarks, 1 park or trail, 8 places to eat, 4 places to stay and 4 attractions in and around town.
Highlights include Moel Rhiwen, Parc Drysgol, Dinorwic Quarry and National Slate Museum.
Weather in Deiniolen
Forecast from MET Norway (CC BY 4.0). Full forecast
About Deiniolen
Deiniolen (; Welsh: [dɛinɪˈɔlɛn]; ) is a village in Gwynedd, Wales, at the foot of Elidir Fawr, in Llanddeiniolen Community. Deiniolen has views over Caernarfon (7 miles (11 km) away) and on a clear day, Holyhead Mountain and occasionally the Wicklow Mountains in Ireland, can be seen. The population of the electoral ward was 1,909 as of 2011, including nearby Dinorwig, with 81.2% of the population speaking Welsh. The community, Llanddeiniolen, has a population of 5,072 as of the 2011 census, the third-largest in Gwynedd.
From the Wikipedia article Deiniolen (this version), under CC BY-SA 4.0.
Things to do4
Museums and landmarks9
Dinorwic Quarry
Monument and historic site · 2.3 mi
Large former slate quarry near Llanberis, Gwynedd, Wales and World Heritage Site.
National Slate Museum
Museum · 2.0 mi
Museum of the slate industry in Llanberis, North Wales, United Kingdom
memorial to nitroglycerine explosion 30 Jun 1869
Monument and historic site · 1.4 mi
Parks, trails and playgrounds1
Restaurants and cafes8
The Cube S&B
Fast food · Burger, Kebab · 1.4 mi
A4086, Caernarfon
Mo-Su 16:00-21:00
Notable people from Deiniolen
Gwenlyn ParryWelsh dramatist (1932–1991)Photo: Geoff Charles, CC BY-SA 4.0- Malcolm AllenWelsh footballer (born 1967)
- Annette Bryn ParriWelsh pianist and accompanist (1962-2025)
- Huw Robert JonesBritish politician (1894-1930)
- Eilian WynWelsh actor and comedian
Born in Deiniolen, according to Wikidata (CC0). Each name links to its Wikipedia article.
Where to stay4
Churches and places of worship4
Gas and EV charging2
Schools, colleges and libraries3
Healthcare1
Map of Deiniolen
36 places. The map loads OpenStreetMap tiles when you open it.
Getting there and nearby towns
RAF Valley - Anglesey Airport (VLY) is the nearest airport with scheduled flights listed in OpenStreetMap, 18 miles away.
- Llanberis 2 mi south, about 3 min by car
- Tregarth 3 mi northeast, about 6 min by car
- Bethesda 4 mi northeast, about 6 min by car
- Y Felinheli 4 mi northwest, about 7 min by car
- Bangor 5 mi north, about 9 min by car
- Caernarfon 6 mi west, about 9 min by car
- Menai Bridge 6 mi north, about 9 min by car
- Llanfairpwllgwyngyll 6 mi northwest, about 9 min by car
- Gaerwen 8 mi northwest, about 12 min by car
- Beaumaris 8 mi north, about 13 min by car
Drive times are estimates from straight-line distance, not routes.
Towns near Deiniolen
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Keep exploring
Local news
Headlines from INDB.
Reviews, tips and questions
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Sources and licences
- GeoNames (CC BY 4.0): population, coordinates, regions and time zone
- OpenStreetMap contributors (ODbL 1.0): places, airports, map data
- Wikidata (CC0 1.0): elevation, founding date, time zone, website, landmarks and historic places
- Wikimedia Commons (see each image): photos
- Wikipedia (CC BY-SA 4.0): overview and history text
Photo credits
- Light on Deiniolen. - Flickr - ohefin, Hefin Owen from Wales, CC BY-SA 2.0
- Chwarel Dinorwig World Heritage Site, from a drone 02, Llywelyn2000, CC BY-SA 4.0
- Dinorwig Slate Quarry Workshops (Welsh Slate Museum Buildings) IMG 6930c, Talsarnau Times, CC BY-SA 4.0
- The lonely tree. - Flickr - ohefin, Hefin Owen from Wales, CC BY-SA 2.0
Page built November 10, 2026. Spotted a mistake? Tell us or suggest a place.