Three Bronze Age standing stones forming a 39-foot alignment on a northeast-southwest axis in the village of Trellech, Monmouthshire, south-east Wales. The stones stand approximately 9, 12, and 15 feet high, with the tallest southernmost stone bearing two cup marks on its south face angled toward the midwinter sunset. Dating estimates range from the middle Neolithic to the early Bronze Age, around 1500 BC. The village name derives from Welsh 'tre' (three) and 'llech' (stone). Local legend attributes them to King Harold's 1063 victory, though they predate him by millennia. A possible fourth stone was destroyed in the 18th century, suggesting the row may have been part of a larger monument.
Harold's Stones, Trellech

| Type | Megalithic stones |
|---|---|
| Period | 4500 - 3000 BC |
| Country | Wales |
| Coordinates | 51.7452° N, 2.7256° W |
Wales