Road bridge at Y Felinheli marina
Y Felinheli shown within Gwynedd
|OS grid reference|
|Sovereign state||United Kingdom|
|Post town||Y FELINHELI|
Y Felinheli, formerly known in English as Port Dinorwic, is a village beside the Menai Strait (Welsh: Y Fenai or Afon Menai) between Bangor and Caernarfon in Gwynedd, north-west Wales. The population is about 2,080.
Etymologically its name comes from the Welsh y meaning the, melin mill and heli brine/salt-water/sea. (An alternative interpretation is from Y Felinheulyn, the mill on the River Heulyn which runs into the village.)
Y Felinheli has its origins in two hamlets, Tafarngrisiau near St Mary's Church and Aberpwll to the north-east where there was a mill on the Afon Heilyn. The mill was rebuilt closer to the sea in 1633 and its name, Aber y felin gave the settlement its name.  The area was largely agricultural until the area was transformed by slate quarrying in the 19th century. A new dock was built in 1828 when lime was extracted at Brynadda and slate and lime were loaded and culm (coal dust or anthracite slack) was brought in to fire the lime kilns.
The owners of the Vaynol Estate, the Assheton Smiths, owned most of the land in Y Felinheli and developed the Dinorwic Quarry in the late 18th century, They also built the harbour to export slate transported to the quay by the Dinorwic Railway, a narrow gauge railway that was subsequently replaced by the Padarn Railway. Industrial expansion gave Y Felinheli (Felin-hely, 1838) the alternative name Port Dinorwig or Port Dinorwic.
The harbour is a centre for pleasure boating and sailing. It has moorings, a marina and yacht support businesses, including rigging, sail making and boatyards. The boatyard was constructed before the Second World War for building landing craft. Its slipway, probably the largest in North Wales is in private ownership, is usable at most states of tide. The local sailing club organizes dinghy racing.
The road by-pass, constructed in 1993/94, has removed much traffic congestion from the main street.
Demographically, according to the United Kingdom Census 2001, the number of speakers of the Welsh language in all age groups was 72%, with the highest percentage of Welsh speakers being in the 5–9 range (97.8%). This means that Y Felinheli was the 49th most Welsh-speaking electoral division by percentage in Wales.
According to the United Kingdom Census 2011, 64.3% of people in Y Felinheli could speak Welsh. The percentage of persons age 3-15 who could speak Welsh was 83.5%. Most residents work in Caernarfon or Bangor.
Culture and sport
|Wikimedia Commons has media related to Y Felinheli.|
- Community Council
- geograph photos of Y Felinheli and surrounding area
- Y Felinheli/Port Dinorwic Marina