Llanddeiniolen sits on the western edge of Snowdonia National Park in Gwynedd, a landscape of rugged hills, slate quarries and sweeping mountain views towards Snowdon (Yr Wyddfa). The community includes scattered settlements such as Deiniolen and Dinorwig, where the dramatic terraces of nineteenth‑century slate working give way to upland pastures and forestry.
Historically the area grew around slate quarrying and the vast Dinorwig workings, later adapted for the subterranean Dinorwig Power Station (Electric Mountain); today the local economy mixes farming, commuting and tourism, while the community remains a stronghold of the Welsh language with notable historic churches and active chapel and village life.
Postcode districts covering Llanddeiniolen
Most populated places nearby
- Colwyn Bay 20.7 miles
- Bangor 4.6 miles
- Llandudno 18.2 miles
- Holyhead 21.9 miles
Neighbouring places
- Penisa'r Waun Built-up area 0.1 miles
- Llanrug Built-up area 1.2 miles
- Clwt-y-bont Built-up area 1.5 miles
- Cwm-y-glo Ward 1.7 miles
- Deiniolen Ward 1.9 miles
- Bethel Built-up area 2 miles
- Bethel a'r Felinheli Ward 2 miles
- Y Felinheli Built-up area 2.7 miles
- Pentir Parish 2.9 miles
- Llanberis Built-up area 2.9 miles
- Waunfawr Built-up area 3.3 miles
- Y Faenol Ward 3.4 miles
Example postcodes in Llanddeiniolen
LL57 4GD, LL57 4UA, LL55 3AA, LL55 3DS, LL57 4EN, LL55 3DF, LL55 3PD, LL55 3PN, LL55 3NH … See all
Transport links
- Liverpool John Lennon Airport 55.7 miles
- Manchester Airport 79.3 miles
- Waunfawr Railway Station 3.7 miles
- Tryfan Junction Railway Station 4.5 miles
Hotels in Llanddeiniolen Ad
Schools in Llanddeiniolen
- Ysgol Bethel Primary
- Ysgol Gwaun Gyfni Primary
- Ysgol Gymuned Penisarwaun Primary
- Ysgol Rhiwlas Primary
Local points of interest
- Llanidan House Estate 3 miles
- National Slate Museum Museum 3.1 miles
- Treborth Estate 3.1 miles
- Plas Newydd Country house 3.9 miles
- Caernarfon Town FC Stadium 4.5 miles
- Farrar Road stadium Stadium 4.9 miles
- Penrhyn Castle Estate 5 miles
- Carneddau Mountains 6.9 miles
- Gwydyr Forest Forest 14.6 miles
- Maenan Abbey Historic site 14.6 miles
- Traeth Lligwy Beach 14.9 miles
- Port Trevor Harbour 15 miles