EnglandSt Breock Downs Monolith is a prehistoric standing stone (menhir) on the summit of St Breock Downs in Cornwall, England [1]. It is the largest and heaviest megalithic stone in Cornwall, weighing approximately 16.5 tonnes and measuring 4.92 metres in length [1][2]. The stone is made from local Devonian shale with extensive feldspar veining and stands about 3 metres tall above ground level [1][2].
St Breock Downs Monolith
| Type | Megalithic stones |
|---|---|
| Period | 3000 - 1500 BC |
| Country | England |
| Coordinates | 50.4794° N, 4.8657° W |