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Groes Las Prehistoric Settlement & Field System is a prehistoric enclosed hut circle situated on bedrock formed from Lower Cambrian mudstone, siltstone and sandstone. This geological foundation, laid down over 500 million years ago, provided a stable base for settlement during prehistory. The site occupies land in Wales and is protected by Cadw, the Welsh Government's historic monuments service, under the reference ME095.
The hut circle represents a domestic structure typical of prehistoric settlement patterns in Wales, where single or clustered circular buildings served as family dwellings. The enclosure suggests deliberate spatial organisation of the settlement, a practice common across prehistoric British communities. Such structures were traditionally constructed using timber frames and turf or stone, adapted to local materials and climate.
The associated field system indicates that inhabitants practised mixed agriculture, cultivating crops and herding livestock across the surrounding landscape. These organised field divisions demonstrate sophisticated land management and represent the earliest forms of agricultural settlement in the region. The preservation of both settlement and field boundaries as earthworks provides significant archaeological evidence for understanding prehistoric patterns of habitation and land use in Wales.
Groes Las Prehistoric Settlement & Field System is a scheduled monument protected by Cadw under reference ME095. View the official record →
Groes Las Prehistoric Settlement & Field System is a prehistoric enclosed hut circle situated on bedrock formed from Lower Cambrian mudstone, siltstone and sandstone. It is designated a Scheduled Ancient Monument by Cadw under reference ME095.
Groes Las Prehistoric Settlement & Field System dates from the prehistoric period, and is classified as a enclosed hut circle. It is one of over 32,000 scheduled monuments protected across the UK.
Groes Las Prehistoric Settlement & Field System 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 ME095.
Several scheduled monuments lie within 10 km, including Pen y Dinas Cairn (9.2 km), Enclosed Hut Circle North of Tyddyn Mawr (9.4 km), Hengwm Stone Circles (9.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Groes Las Prehistoric Settlement & Field System's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Groes Las Prehistoric Settlement & Field System stands on Lower Cambrian Rocks (Undifferentiated), bedrock that formed in the Early Cambrian. The rock here is mudstone, siltstone and sandstone.