Three theories compete for the origin of the name Tudweiliog, and none of them is true. One tells of a lazy man called Wil. Another involves a priest's horse galloping across the Irish Sea from Ireland and leaving a hoofprint stamped into the rock at Porth Towyn beach. A third, more sober, tries to derive it from a saint's Latin priory. The actual answer, dull but correct, is the territorial suffix -iog tacked onto the personal name Tudwal. The village got to keep the colourful stories anyway.
Tudweiliog sits on the northern coast of the Llyn Peninsula, about ten miles from Pwllheli down a road that narrows as it leaves the market towns behind. The community covers a little over thirty-five square kilometres and counted 970 souls at the 2011 census, up from 801 a decade earlier. What the numbers cannot capture is the language. This is one of the heartland villages where Welsh remains the everyday tongue, spoken across the school yard at Ysgol Tudweiliog (the primary school celebrated its centenary in 2007), at the counter of the post-office-and-village-store, and inside the Lion Hotel, the largest building in the village and a working pub since long before anyone living can remember.
The land around Tudweiliog has been inhabited for a great deal longer than the village. On nearby Mynydd Cefnamwlch stands Coetan Arthur, a Neolithic burial chamber whose capstone has held its place for some five thousand years. To the south rises Carn Fadryn, crowned with Bronze Age remains and the ramparts of an Iron Age hillfort. These are not curiosities tucked into a museum; they are landmarks farmers see from their fields, names spoken without ceremony. The land here has been ploughed, grazed, and lived on continuously since before written history began.
Walk north from the village and the land falls toward small coves whose names have outlasted the trades that filled them. Porth Ysgaden and Porth Colmon at Llangwnnadl once landed herring, mackerel, and contraband. Porth Gwylan, now managed by the National Trust, is a slot of grey shingle between dark cliffs where seabirds rule absolutely. The sandy beaches of Tywyn and Penllech are where holidaymakers come now; the caravans cluster on the slopes above, and at the entrance to Towyn Farm beach a converted potato store called Cwt Tatws sells Welsh bric-a-brac and pours coffee. Tourism keeps the village alive in summer. Agriculture, both pastoral and arable, keeps it alive the rest of the year.
Tudweiliog has the rhythm of places that were never fashionable enough to be ruined. The Nefyn Coaches bus runs every hour or two between here and Pwllheli, stopping at chapels and crossroads. A smithy still operates. A nonconformist chapel and a parish church each get their congregations. From the headlands above the village the view runs north toward Anglesey and the open Irish Sea, a horizon empty enough that on a clear night you can pick out the lights of the Wicklow coast across the water. The folk-etymology debate continues, of course. The priest's horse remains in print, the lazy man called Wil refuses to die, and the rock on Porth Towyn beach still bears its suspiciously hoof-shaped mark.
Tudweiliog sits on the north coast of the Llyn Peninsula at 52.899N 4.620W, about 10 miles north-west of Pwllheli. From the air, look for the line of small coastal coves on the north-facing shore, with Carn Fadryn (1,217 ft) as a distinctive conical landmark just south. The Wicklow Mountains in Ireland are sometimes visible on the western horizon. Nearest airfield is Caernarfon (EGCK), about 18 nm north-east. Valley (EGOV) on Anglesey lies about 28 nm north. Coastal weather can change quickly; sea fog rolls in from the Irish Sea even in summer.