Scheduled MonumentsWalesOnllwyn Round Cairn
Prehistoric · Round Cairn

Onllwyn Round Cairn

Wales
Cadw SAM GM530
Period
Prehistoric
Site type
Round Cairn
Broad class
Religious, Ritual and Funerary
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Onllwyn Round Cairn is a prehistoric funerary monument located in Wales, designated as a Scheduled Ancient Monument under reference Cadw SAM GM530. The cairn dates to the Bronze Age and represents a type of burial structure characteristic of that period, constructed from stone to cover and contain human remains. Its physical form as a round cairn indicates a monument built primarily through the accumulation of stones rather than the more elaborate architectural forms of earlier Neolithic passage graves. The site contributes to the archaeological understanding of Bronze Age funerary practices and settlement patterns in Wales.

Onllwyn Round Cairn is a scheduled monument protected by Cadw under reference GM530. View the official record →

About this monument

Questions & answers

What is Onllwyn Round Cairn?

Onllwyn Round Cairn is a prehistoric funerary monument located in Wales, designated as a Scheduled Ancient Monument under reference Cadw SAM GM530. It is designated a Scheduled Ancient Monument by Cadw under reference GM530.

What period does Onllwyn Round Cairn date from?

Onllwyn Round Cairn dates from the prehistoric period, and is classified as a round cairn. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Onllwyn Round Cairn?

Onllwyn Round Cairn 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 GM530.

What other scheduled monuments are near Onllwyn Round Cairn?

Several scheduled monuments lie within 10 km, including Tramroad East of Robert's Town Bridge, Aberdare (5.5 km), Gadlys Ironworks (Remains of Blast Furnace) (6.1 km), Graig-y-Gilfach round cairn and earthwork (6.7 km).

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