Scheduled MonumentsWalesFfos Toncenglau cross ridge dyke
Prehistoric · Cross Ridge Dyke

Ffos Toncenglau cross ridge dyke

Wales
Cadw SAM GM118
Period
Prehistoric
Site type
Cross Ridge Dyke
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

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Overview

History & significance

Ffos Toncenglau cross ridge dyke is a prehistoric linear earthwork located in Wales, constructed to block passage along a ridge or natural routeway. The monument consists of a ditch and bank formation typical of cross ridge dykes, defensive structures built during the later prehistoric period to control movement across the landscape and protect communities or territorial boundaries. Such dykes are generally dated to the Iron Age, though some may have been constructed or maintained during earlier periods. The site is recorded in the Cadw Monuments Register under the reference GM118 and represents an important example of Iron Age defensive and territorial planning in the Welsh landscape.

Ffos Toncenglau cross ridge dyke is a scheduled monument protected by Cadw under reference GM118. View the official record →

About this monument

Questions & answers

What is Ffos Toncenglau cross ridge dyke?

Ffos Toncenglau cross ridge dyke is a prehistoric linear earthwork located in Wales, constructed to block passage along a ridge or natural routeway. It is designated a Scheduled Ancient Monument by Cadw under reference GM118.

What period does Ffos Toncenglau cross ridge dyke date from?

Ffos Toncenglau cross ridge dyke dates from the prehistoric period, and is classified as a cross ridge dyke. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Ffos Toncenglau cross ridge dyke?

Ffos Toncenglau cross ridge dyke is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is GM118.

What other scheduled monuments are near Ffos Toncenglau cross ridge dyke?

Several scheduled monuments lie within 10 km, including Earthwork 360m NNE of Crug yr Avan (6.4 km), Crug yr Afan Round Cairn (6.8 km), Bwlch yr Avan Dyke (7.1 km).

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