Pen y Garreg

View from the south west. The ranging rod is positioned beside the third stone which is turf covered (Scale 1m).

A single stone row measuring 5.4m long, including two medium and one large orthostats situated on a south facing slope overlooking the Elan valley. Only one stone remains standing and the row is orientated ENE to WSW.


Wales Powys Mid Wales SN 91454 68091
Lat 52.300114  Long -3.593379

Map showing the location of Pen y Garreg stone row.

Plan of Pen y Garreg stone row (Source: survey by Sandy Gerrard at 1:100). The recumbent stones are highlighted green.


Type: Single Length: 5.4m
No. of stones: 3 Size of stones: Medium and large
Orientation: 73° Altitude: 449m
Upper end: – Lower end: –
Straight (Yes or No)  : Not known Sea View: No
Context:  –

Other Information

Public Access:  Yes
Land Status:
Scheduled Ancient Monument: No


Category: Plausible. No doubts have been expressed regarding the prehistoric interpretation of this row.


This stone row is of Type S3. Information on this form of stone row and other rows of this type is available here.


View from east (Scale 1m).

View from north east (Scale 1m).

View from south west (Scale 1m). The stone in the foreground measures 2.12m long by 0.82m wide and stands up to 0.34m above the ground surface.

View from south west. The ranging rod is standing beside the middle stone which lies just under the turf (Scale 1m).

View from the south east (Scale 1m).  The stone on the right measures 0.77m long by 0.14m wide and stands up to 0.66m high.

Access Information

Car parking is available at SN 91496 67308. From here head north along the road to SN 91537 67370. Take the footpath through the wood to SN 91540 67491. Turn right and follow the track to SN 91724 67394. Turn left and follow track to SN 91148 67705. Follow the footpath up the hill to the row.

Online Resources 

Megalithic Portal     Coflein     Archwilio

Other References

Burl, A., 1993, From Carnac to Callanish – The prehistoric rows and avenues of Britain, Ireland and Brittany, Yale University Press, New York and London, pg. 225.


VISITED:- 23rd August 2018

FIRST PUBLISHED:- 12th February 2016

LAST UPDATED:- 15th March 2019

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