4500-3000 BC: The Grubstones is a stone circle on Burley Moor in West Yorkshire, England, situated below the hilltop on a gentle south-facing slope. It is believed to be either an embanked stone circle or a ring cairn[1].
Grubstones

| Type | Stone circle |
|---|---|
| Period | 4500 - 3000 BC |
| Country | England |
| Coordinates | 53.8985° N, 1.7939° W |
England