Ancient Monuments

History on the Ground

This site is entirely user-supported. See how you can help.

Two Round Cairns east of Gyrn Ddu

A Scheduled Monument in Llanaelhaearn, Gwynedd

We don't have any photos of this monument yet. Why don't you be the first to send us one?

Upload Photo »

Approximate Location Map
Large Map »

If Google Street View is available, the image is from the best available vantage point looking, if possible, towards the location of the monument. Where it is not available, the satellite view is shown instead.


Latitude: 52.9937 / 52°59'37"N

Longitude: -4.3766 / 4°22'35"W

OS Eastings: 240586

OS Northings: 346682

OS Grid: SH405466

Mapcode National: GBR 5C.HKB3

Mapcode Global: WH444.R03S

Entry Name: Two Round Cairns E of Gyrn Ddu

Scheduled Date:

Source: Cadw

Source ID: 2434

Cadw Legacy ID: CN107

Schedule Class: Religious, Ritual and Funerary

Category: Round cairn

Period: Prehistoric

County: Gwynedd

Community: Llanaelhaearn

Traditional County: Caernarfonshire


The monument comprises the remains of two burial cairns probably dating to the Bronze Age (c. 2300 - 800 BC). The cairns are quite large, approximately 17 metres in diameter, and fairly well-preserved and are located in the bwlch between the two peaks of Gyrn Goch and Gyrn Ddu.

The monument is of national importance for its potential to enhance our knowledge of prehistoric burial and ritual practices. The monument is an important relic of a prehistoric funerary and ritual landscape and retains significant archaeological potential, with a strong probability of the presence of both intact burial or ritual deposits, together with environmental and structural evidence. Cairns may be part of a larger cluster of monuments and their importance can further enhanced by their group value.

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

Source: Cadw

Other nearby scheduled monuments is an independent online resource and is not associated with any government department. All government data published here is used under licence. Please do not contact for any queries related to any individual ancient or schedued monument, planning permission related to scheduled monuments or the scheduling process itself. is a Good Stuff website.