
Boscastle Slate Quarries are a series of disused coastal quarries between
Willapark and
Trevalga on the north coast of
Cornwall
Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlan ...
,
South West England
South West England, or the South West of England, is one of nine official regions of England. It consists of the counties of Bristol, Cornwall (including the Isles of Scilly), Dorset, Devon, Gloucestershire, Somerset and Wiltshire. Cities and ...
.
The quarries
*California Quarry
*Welltown Quarry
*Grower Quarry
*Boscastle Quarry
California Quarry
The quarry is cut into the cliffs just south of Willapark. It is also known as Swanser Quarry. The quarry can be identified by a stone strongpoint overhanging the cliff. On this will have stood a wooden platform supporting a horse-operated
whim
Whim may refer to:
* Whim, U.S. Virgin Islands, a settlement
* Whim (mining), a capstan or drum with a vertical axle used in mining
* Whim (carriage), a type of carriage
* ''Whim'', a reissue of ''Adventures of Wim'', a book by George Cockroft as ...
which hoisted blocks to the top of the cliff. Various ruined buildings can be found on the cliff top including shelters and splitting sheds where thin roofing slates were produced. Old photographs show a small railway with its iron wagons, though this has since disappeared.
Welltown Quarry
The quarry cuts a right angle into the cliffs just north of the inlet known as Grower Gut.
Grower Quarry
The quarry hacks a deep notch into the cliffs forming an inlet known as Grower Gut. It is also called Growa Quarry. Just offshore is Grower Rock which gives the quarry its name.
Boscastle Quarry

The quarry cuts into the cliffs just north of Trevalga. A well preserved stone horse
whim
Whim may refer to:
* Whim, U.S. Virgin Islands, a settlement
* Whim (mining), a capstan or drum with a vertical axle used in mining
* Whim (carriage), a type of carriage
* ''Whim'', a reissue of ''Adventures of Wim'', a book by George Cockroft as ...
can be seen on the cliffs above the quarry from the
South West Coast Path
The South West Coast Path is England's longest waymarked long-distance footpath and a National Trail. It stretches for , running from Minehead in Somerset, along the coasts of Devon and Cornwall, to Poole Harbour in Dorset. Because it rises ...
The stone
In Boscastle,
Lower Carboniferous
Lower may refer to:
*Lower (surname)
*Lower Township, New Jersey
*Lower Receiver (firearms)
*Lower Wick Gloucestershire, England
See also
*Nizhny
Nizhny (russian: Ни́жний; masculine), Nizhnyaya (; feminine), or Nizhneye (russian: Ни́� ...
slates sit on top of
Upper Devonian. The boundary between the two is at Gower Quarry. The most valuable slates were blue and green and were found at the base of the cliffs. The stone forms part of what is known as the Barras Nose formation.
Quarrying
Removing rock from the quarry was a hazardous occupation. Men were lowered down the cliffs by a system of cables.
[Booklet- The National Trust Coast of Cornwall #3: Boscastle, Brian Le Messurier, National Trust, 2003] The men working these quarries were in constant danger, with weather their worst enemy. If stormy or frosty weather stopped them working they did not get paid.
Trilobites
During 1961, California Quarry was extensively researched and was found to be rich in fossils. In particular, two species of
trilobite
Trilobites (; meaning "three lobes") are extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest-known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the ...
were found: ''
Cyrtosymbole cf. drewerensis'' and ''Cyrtosymbole (Waribole) sp''. Below the quarry and only exposed in fallen blocks on the foreshore, a third trilobite species can be found – ''Cyrtosymbole verneuill''.
In literature
In ''Fisher's Drawing Room Scrap Book'', 1833,
Thomas Allom
Thomas Allom (13 March 1804 – 21 October 1872) was an English architect, artist, and topographical illustrator. He was a founding member of what became the Royal Institute of British Architects (RIBA). He designed many buildings in London, in ...
's picture of ''Boscastle Waterfall and Quarry'' (above) is accompanied by a poetical illustration by
Letitia Elizabeth Landon
Letitia Elizabeth Landon (14 August 1802 – 15 October 1838) was an English poet and novelist, better known by her initials L.E.L.
The writings of Landon are transitional between Romanticism and the Victorian Age. Her first major breakthrough ...
, in which she reflects on the noble buildings that are able to be created from the products of the quarries.
[ ]
References
{{Reflist
Quarries in Cornwall
Boscastle