Wolf Rock is a treacherous rock located 9 nautical miles (17 km; 10 mi) east of St Mary's, Isles of Scilly and 4 nautical miles (7.4 km; 4.6 mi) southwest of Land's End, in Cornwall, United Kingdom. A lighthouse, known as the Wolf Rock Lighthouse, was built on the rock by James Walker from 1861 to 1869; it entered service in January 1870.
The lighthouse is 41 metres (135 ft) in height and is constructed from Cornish granite that was prepared at Penzance on the mainland of Cornwall. It took 9 years to build due to the treacherous weather conditions that brew constantly between Cornwall and Scilly. The light can be seen from Land's End by day and night, and is almost exactly halfway between the Lizard and the Scilly isles. It has a range of 23 nautical miles (43 km; 26 mi) and was automated in 1988. The lighthouse was the first in the world to be fitted with a helipad.
Engineering drawing showing the structure of Wolf Rock Lighthouse
The rock is an unparished area of Cornwall (assigned to the district of Penwith prior to the district's abolition).[1]
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