Trefasser (variations: Tref-Asser, or Trêf Asser, or Asserton; translation: "town" of "Asser")
is a hamlet, located to the west of
Fishguard
Fishguard ( cy, Abergwaun, meaning "Mouth of the River Gwaun") is a coastal town in Pembrokeshire, Wales, with a population of 3,419 in 2011; the community of Fishguard and Goodwick had a population of 5,407. Modern Fishguard consists of two ...
in western
Wales
Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...
. Historically, it is part of the parish of
Llanwnda. It lies on the coast of
St George's Channel
St George's Channel ( cy, Sianel San Siôr, ga, Muir Bhreatan) is a sea channel connecting the Irish Sea to the north and the Celtic Sea to the southwest.
Historically, the name "St George's Channel" was used interchangeably with "Irish Sea" ...
within the
Pembrokeshire Coast National Park
Pembrokeshire Coast National Park ( cy, Parc Cenedlaethol Arfordir Penfro) is a national park along the Pembrokeshire coast in west Wales.
It was established as a National Park in 1952. It is one of three national parks in Wales, the others be ...
. A stream named
Cledde Goch runs close by.
Trefasser's farms, houses and cottages are the only settled area of
Pen Caer.
David Tress has painted the place in an abstract painting.
History

Trefasser was mentioned in the survey of episcopal lands in 1326.
It at one time belonged to Major Thomas Askwith Jenkins (1809–1877) of
Trevigin.
In July 2009, the body of a 47-year-old man from
Stourbridge
Stourbridge is a market town in the Metropolitan Borough of Dudley in the West Midlands, England, situated on the River Stour. Historically in Worcestershire, it was the centre of British glass making during the Industrial Revolution. The ...
in the
West Midlands was found at the bottom of the cliffs of Trefasser.
Etymology
There are opposing views as to from whom the name derives. One possibility is that it is the namesake of Bishop
Asser
Asser (; ; died 909) was a Welsh monk from St David's, Dyfed, who became Bishop of Sherborne in the 890s. About 885 he was asked by Alfred the Great to leave St David's and join the circle of learned men whom Alfred was recruiting for hi ...
, a friend and biographer of
King Alfred
Alfred the Great (alt. Ælfred 848/849 – 26 October 899) was King of the West Saxons from 871 to 886, and King of the Anglo-Saxons from 886 until his death in 899. He was the youngest son of King Æthelwulf and his first wife Osburh, who ...
in the 9th century. Another possibility is that it is named for Asser's nephew, Asser Meneventsis, as Trefasser is said to be his birthplace. Meneventsis was a Benedictine monk, as well as scribe and chancellor to Asser.
Castell Poeth
A
tumulus
A tumulus (plural tumuli) is a mound of earth and stones raised over a grave or graves. Tumuli are also known as barrows, burial mounds or '' kurgans'', and may be found throughout much of the world. A cairn, which is a mound of stones ...
named
Castell Poeth ("the Hot Castle") is located nearby. It is an exploratory castelet with an occasional
beacon
A beacon is an intentionally conspicuous device designed to attract attention to a specific location. A common example is the lighthouse, which draws attention to a fixed point that can be used to navigate around obstacles or into port. More mode ...
.
Described as a ditched, raised enclosure, oval in shape, and measuring by across, it has an attached second oval measuring by .
References
{{authority control
Villages in Pembrokeshire