Ancient Monuments

History on the Ground

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Dinas Camp

A Scheduled Monument in Y Felinheli, Gwynedd

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Latitude: 53.1807 / 53°10'50"N

Longitude: -4.2178 / 4°13'3"W

OS Eastings: 251889

OS Northings: 367139

OS Grid: SH518671

Mapcode National: GBR 5L.3MWP

Mapcode Global: WH54D.59SY

Entry Name: Dinas Camp

Scheduled Date:

Source: Cadw

Source ID: 3418

Cadw Legacy ID: CN047

Schedule Class: Defence

Category: Promontory Fort - coastal

Period: Prehistoric

County: Gwynedd

Community: Y Felinheli

Built-Up Area: Y Felinheli

Traditional County: Caernarfonshire


The monument comprises the remains of a defended enclosure, which probably dates to the Iron Age period (c. 800 BC - AD 43). The enclosure is located on a coastal promontory above the sea that marks part of the defensive circuit. The construction of one or more ramparts placed across the neck of the promontory divide it from the mainland. The defences form a semi-circle, the two ends terminating on the cliff edge 120m apart with an entrance near the middle. East of the entrance the rampart has been almost levelled, to the west it survives as an artificial scarp capped by a rubble bank c 3.6m wide, giving an external height of 3 to 6m. Against the bank are the footings of two rectangular buildings, probably medieval.

The monument is of national importance for its potential to enhance our knowledge of later prehistoric defensive organisation and settlement. The site forms an important element within the wider later prehistoric context and within the surrounding landscape. The site is well preserved and retains considerable archaeological potential. There is a strong probability of the presence of evidence relating to chronology, layout, building techniques and functional detail.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

Source: Cadw

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