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Territory
Wonders of the Isle of Anglesey
  Highlights
The most amazing wonders of Anglesey are:
- Archaeological heritage – island and nearby smaller islands are very rich with diverse archaeological monuments, including several stones with amazing prehistoric carvings.
- Early medieval architecture – there are several interesting structures, which were built already around the 3rd – 6th century AD, as well as interesting buildings from later medieval times, including the high achievement of British defensive architecture – Beaumaris Castle.
Map with the described wonders
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Top 25 wonders of the Isle of Anglesey
Geological wonders
Bwa Gwyn and Bwa Du
Beautiful natural arches above the sea.
Ogof Badrig (Patrick’s Cave)
Seaside cave below the Llanbadrig Church. Site of legends – reportedly St Patrick found a refuge here after the shipwreck.
Natural tunnel in Penmon
A few meters high arch – tunnel under the cliff near the sea.
Biological wonders
Beech in Plas Newydd
Largest beech (Fagus sylvatica) in Britain. The girth of this tree is 9.62 m, height – 26 m.
Archaeological wonders
Holyhead Mountain
A prehistoric village site with remains of some 50 buildings. The village covered 6 – 8 ha, in use from 500 BC to some time after the end of Roman governance. In some hut circles have been found examples of stone furniture.
Bryn Celli Ddu
Site of a stone circle and burial mound with passage grave. The stone circle and henge were built in the Neolithic period. Stones were removed in Bronze Age when a passage grave was built. In the burial chamber was located a carved stone with a twisting, serpentine design. Now there is a replica standing outside. The passage is oriented toward the summer solstice.
Trefignath Chambered Tomb
Large, impressive chambered tomb. The first part was built around 3000 BC and supplemented several centuries later.
Din Lligwy
Village site of Roman – early British times with well-preserved, circular stone bases of huts with outer walls.
Barclodiad y Gawres
Neolithic burial chamber on the coast. Notable features of this cruciform passage grave are decorated stones that are adorned with spiral marks, chevrons, wavy lines, and other motives. Reroofed with concrete.
Lligwy Burial chamber
A surprising megalithic monument – a circle of upright stones with a giant, 25 tons heavy slab on top. Here were found remains of some 15 – 30 people and late Neolithic pottery.
Cytiau TĹ· Mawr
Prehistoric hut circles in Holyhead Island – ring-shaped groundworks from Iron Age. These huts were in use up to the 6th century AD.
Llwydiarth Esgob Stone
Stone with intricate carvings – grooves, cupules, cup and ring marks.
Bodowyr passage grave
Neolithic passage grave. A dolmen with three upright stones covered with a capstone.
Architecture wonders
Beaumaris Castle
Impressive, well-preserved castle, built during the English conquest of Wales. Construction started in 1295. A masterpiece of military architecture.
Plas Newydd
Country house, the seat of Marquess of Anglesey. The current house was built in the 18th century in Neo-Classical and Neo-Gothic styles. House contains the largest painting of Rex Whistler. Reported haunting by the Old Maids.
Tudor Rose in Beaumaris
One of the oldest preserved timber-framed buildings in Britain, built in the 14th century.
Church of St Cwyfan on Cribinau (the church in the sea)
A small island with a church that was built in the 13th century. The church still is used.
Menai Suspension Bridge
One of the first modern suspension bridges in the world. Designed by Thomas Telford, built in 1819 – 1826. The length of the whole bridge is 417 m, and the longest span is 176 m. The deck is 30 m above the water.
Tal-y-Llyn St Mary’s Church
Small medieval church, the oldest parts might be preserved since the 12th century. The church is almost unchanged.
Britannia Bridge
One of two historical bridges linking Anglesey Island to the mainland. The original bridge was designed by Robert Stephenson and was a tubular bridge of wrought iron. In 1972 it was rebuilt as a beautiful two-tier arch bridge. Total length – 461 m, longest span – 140 m, rises 40 m above the water.
Penmon Priory (St. Seiriol’s monastery)
An old monastery, established in the 6th century AD. The oldest parts of the church building are from 1140. Inside the church are two ornate stone crosses from the 10th century.
St. Seiriol’s Well
Holy well with a built structure over it. The lower part of the stone walls of this structure is built in the 6th century AD.
Llynnon Mill
The only historical windmill in Anglesey. Built in 1775, renovated and open to the public.
Melin y Bont
A unique mill, powered by wind and water. Built in 1825.
Castell Aberlleiniog
Ruins of a motte and bailey fortress, built between 1080 and 1090. Originally there was a timber structure but before the middle of the 17th century it was replaced with a stone structure.
Recommended books
Anglesey: A Megalithic Journey
The extraordinary wealth of ancient and historical sites on the Welsh island of Anglesey represents a microcosm of British history, from the deep Neolithic past to the Roman occupation, through the rise of the Welsh princes to the heyday of the Victorian resort of Beaumaris. It was on Anglesey that the ancient Druids took their last stand against the Roman invaders. Neil McDonald is an expert on the mythic and historical geography of Anglesey. In this fascinating book, he explores the island’s heritage and countryside, providing vivid descriptions and rich historical backgrounds for its landmarks and culture.
Anglesey Hidden Gem
Anglesey Hidden Gem – The world is bigger, more interesting, and much more profound when you can attach a name and a story to a place. With that thought in mind, I welcome you to my fully illustrated book about Anglesey, My Hidden Gem. This is very much my book, my stories – amusing, eccentric, and quirky – because it’s all about My journeys and My island home. Allow me to share and guide you.