HistoricalSites, Caernarfon

One of Anglesey’s most famous prehistoric landmarks, Bryn Celli Ddu (the ‘Mound in the Dark Grove’ in English) is actually two sites in one. In the early Neolithic (New Stone Age) period, a henge (bank and ditch) enclosing a circle of stones was built here, to be replaced later by a chambered tomb beneath a mound measuring up to 85ft/26m in diameter. Inside, a long, narrow passage leads to an octagonal chamber 8ft/2.4m across, where artefacts such as human bones, arrowheads and carved stones have been found. But Bryn Celli Ddu’s most unusual feature can only be seen once a year. As the sun rises on the summer solstice (the longest day of the year) shafts of light shine directly down the tomb’s passageway to illuminate the chamber within. https://cadw.gov.wales/visit/places-to-visit/bryn-celli-ddu-burial-chamber

Don’t overlook Caernarfon’s medieval town walls. Visitors flock here, of course, to see the world-famous fortress. But Caernarfon’s story is not complete without including a chapter on its ring of ancient walls. They were an essential part of King Edward I’s masterplan to create a complete fortress town settled by incomers. The circuit of walls, studded with eight towers and two gateways, survives almost complete. Extending for almost half-a-mile, the walls threw a security blanket around Edward’s new town. The East Gate was the main landward entrance to the medieval borough. This is matched, at the opposite end of the High Street, by the West (or Water) Gate, which could only be approached from the sea in the 13th century. Some of the best-preserved sections of wall can be seen just north of the East Gate, though to get a sense of the original atmosphere of the town take a walk on the quay or along the shady Hole in the Wall Street. https://cadw.gov.wales/visit/places-to-visit/caernarfon-town-walls

Though all that remains of this Neolithic (New Stone Age) settlement is a single bank, excavations have revealed a site with a particularly long history. Its origins stretch back to a circular enclosure featuring a bank and external ditch built in the late Neolithic era or early Bronze Age. Originally thought to be a ceremonial henge monument, finds of pottery, post holes and flint and bronze tools are in fact those of a settlement. The locals must have liked the place. Castell Bryn Gwyn was used far beyond the Neolithic period, with archaeological finds suggesting it was still inhabited as late as 1st-century Roman times. https://cadw.gov.wales/visit/places-to-visit/castell-bryn-gwyn

Welsh castle and solitary guardian of Snowdonia’s Llanberis Pass Occupying a lofty, lonely spot overlooking the waters of Llyn Padarn, native-built Dolbadarn Castle was once a vital link in the defences of the ancient kingdom of Gwynedd. Most likely constructed by Llywelyn ap Iorwerth (Llywelyn the Great) in the late 12th or early 13th century, it stood to watch over the strategic route inland from Caernarfon to the upper Conwy Valley. Today the site is dominated by the sturdy round tower, very different in style to the unmortared slate slabs which make up the castle’s curtain walls. Standing 50ft/15.2m high, the tower’s design was probably inspired by that of similar fortresses built by Llywelyn’s rivals in the borderlands of the Southern Marches. https://cadw.gov.wales/visit/places-to-visit/dolbadarn-castle

Established nearly two millennia ago, this strategically-placed fort at the edge of the Roman Empire bustled with life for more than three hundred years. Segontium was founded by Agricola in AD77 after he brutally suppressed a rebellion by the native tribe known as the Ordovices. Designed to hold a 1,000-strong regiment of auxiliary infantrymen, it was linked by Roman roads to the main legionary bases at Chester and Caerleon. Thanks to excavated coins we know the Romans stayed until about AD394 – no other fort in Wales was held so long. Segontium not only controlled access to fertile and mineral-rich Anglesey but later helped defend the Welsh coast against Irish pirates. https://cadw.gov.wales/visit/places-to-visit/segontium-roman-fort

Standing on a hillock backed by panoramic views of Snowdonia, Bodowyr is a striking landmark. The massive, mushroom-shaped capstone was originally supported by four tall standing stones, one of which fell at some point over the last few millennia. A fifth, shorter stone is believed to mark what was once the tomb’s entrance. Originally covered in earth and built in Neolithic (New Stone Age) times it is most likely a passage grave used for communal burial. However, the site has never been excavated so exactly who or what is buried here remains a mystery. https://cadw.gov.wales/visit/places-to-visit/bodowyr-burial-chamber

This rectilinear enclosure of double banks and ditches has a complex and sometimes murky history. Its location on low-lying marshland led some to believe that it may once have been a medieval moated homestead, while excavations have uncovered medieval coins and Roman artefacts dating from the 3rd century. However, it seems that these items were left by the settlement’s later occupants rather than its original builders, with investigations of similar sites elsewhere in Wales suggesting that Caer Lêb has Iron Age origins. https://cadw.gov.wales/visit/places-to-visit/caer-leb#directions

A brute of a fortress. Caernarfon Castle’s pumped-up appearance is unashamedly muscle-bound and intimidating. http://www.caernarfon.com/place/dolwyddelan-castle/