Originally 5 metres (16 feet) high and weighing some 16.75 tonnes, this is Cornwall's largest and heaviest prehistoric monolith. It stands on the summit of St Breock Downs, offering wonderful views.
Managed by the Cornwall Heritage Trust.
Please note: Dogs on leads are welcome.
Prices and opening times
Rosenannon, Cornwall (Directions)
For just £48 a year, English Heritage members get free entry to our properties and exclusive discounts.