Geograph - photograph every grid square

Harrison's Rocks is a sandstone crag approximately 1.5 kilometres south of Groombridge. The site is a notable example of a periglacial tor landform developed in rocks of the Tunbridge Wells Sand Formation. It is popular with rock climbers, and is the largest of the cluster of local outcrops known by climbers as Southern Sandstone.
Harrison's Rocks is owned by climbers and is managed on their behalf by the British Mountaineering Council with funding from the English Sports Council.
Wikipedia: Link

Tunbridge Wells sandstone is Lower Cretaceous in age. It was lain down in large braided river channels. Today it's outcrops form upland regions across the Weald of Kent. In the Tunbridge Wells area there are several locally famous sites. Mount Edgecumbe Rocks TQ5739 : Edgecumbe Rocks, Wellington Rocks TQ5739 : Wellington Rocks, Tunbridge Wells Common, Toad Rock TQ5639 : Toad Rock, Rusthall, Happy Valley Rocks TQ5639 : Happy Valley Rocks, High Rocks TQ5638 : High Rocks, Eridge Rocks TQ5535 : Eridge Rocks, The Chiddingstone TQ5045 : The Chiding stone, Chiddingstone, Harrison Rocks
The rock makes for good rock climbing in the SE of England.
The rock is locally rich in Iron and mining it gave the Wealden area an Iron making industry in Mediaevil times. It also accounts for a number of Chalybeate springs across Kent and Sussex.