Fitful Head is a

headland A headland, also known as a head, is a coastal landform, a point of land usually high and often with a sheer drop, that extends into a body of water. It is a type of promontory. A headland of considerable size often is called a cape.Whittow, Jo ...

at the southwest corner of

Mainland Mainland is defined as "relating to or forming the main part of a country or continent, not including the islands around it egardless of status under territorial jurisdiction by an entity" The term is often politically, economically and/or demogr ...

Shetland Shetland (until 1975 spelled Zetland), also called the Shetland Islands, is an archipelago in Scotland lying between Orkney, the Faroe Islands, and Norway, marking the northernmost region of the United Kingdom. The islands lie about to the ...

, Scotland, some northwest of the island's southernmost point at

Sumburgh Head Sumburgh Head is a headland located at the southern tip of the main island of the Shetland Archipelago, in northern Scotland. The head consists of a 100 m high rocky spur and topped by the Sumburgh Head Lighthouse. In the Old Norse langua ...

. Its summit is crowned by a

trig point A triangulation station, also known as a trigonometrical point, and sometimes informally as a trig, is a fixed surveying station, used in geodetic surveying and other surveying projects in its vicinity. The station is usually set up by a map ...

adjacent to a NATS installation served by a restricted access vehicular track which ascends from the hamlet of

Quendale Quendale is a settlement and coastal district in the southwest area of Dunrossness in Shetland. Quendale beach is a long beach formed at the north end of the Bay of Quendale. Quendale beach is the longest beach in Shetland and the beach has extens ...

to the east. There are numerous islets and

sea stack A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion. Stacks are formed over time by wind and water, processes of coastal geomorphology. ...

s at the foot of the stretch of cliffs which form the coast here. The summit and eastern slopes are formed from

Neoproterozoic The Neoproterozoic Era is the last of the three geologic eras of the Proterozoic geologic eon, eon, spanning from 1 billion to 538.8 million years ago, and is the last era of the Precambrian "supereon". It is preceded by the Mesoproterozoic era an ...

(late

Precambrian The Precambrian ( ; or pre-Cambrian, sometimes abbreviated pC, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of t ...

) age

metamorphic rock Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism. The original rock ( protolith) is subjected to temperatures greater than and, often, elevated pressure of or more, caus ...

s assigned to the

Dunrossness Phyllitic Formation Dunrossness, (Old Norse: ''Dynrastarnes'' meaning "headland of the loud tide-race", referring to the noise of Sumburgh Roost) is the southernmost parish of Shetland, Scotland. Historically the name Dunrossness has usually referred to the area o ...

, which is placed within the Cliff Hills Division and equates with the Southern Highland Group of the

Dalradian The Dalradian Supergroup (informally and traditionally the Dalradian) is a stratigraphic unit (a sequence of rock strata) in the lithostratigraphy of the Grampian Highlands of Scotland and in the north and west of Ireland. The diverse assembla ...

suite of rocks of mainland Scotland. The steep cliffs dropping down to the sea are formed mostly from a silica-poor

igneous Igneous rock ( ), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rocks are formed through the cooling and solidification of magma or lava. The magma can be derived from partial ...

intrusion In geology, an igneous intrusion (or intrusive body or simply intrusion) is a body of intrusive igneous rock that forms by crystallization of magma slowly cooling below the surface of the Earth. Intrusions have a wide variety of forms and com ...

, itself subject to

metamorphism Metamorphism is the transformation of existing Rock (geology), rock (the protolith) to rock with a different mineral composition or Texture (geology), texture. Metamorphism takes place at temperatures in excess of , and often also at elevated ...

. The upper eastern slopes have a cover of

peat Peat is an accumulation of partially Decomposition, decayed vegetation or organic matter. It is unique to natural areas called peatlands, bogs, mires, Moorland, moors, or muskegs. ''Sphagnum'' moss, also called peat moss, is one of the most ...

. The area is known for its breeding

bonxie The great skua (''Stercorarius skua''), sometimes known by the name bonxie in Britain, is a large seabird in the skua family Stercorariidae. It is roughly the size of a herring gull. It mainly eats fish caught at the sea surface or taken from ...

s. Just beneath the clifftop is a cave known as Thief's House, reckoned to be the spot referred to by

Sir Walter Scott Sir Walter Scott, 1st Baronet (15 August 1771 – 21 September 1832), was a Scottish novelist, poet and historian. Many of his works remain classics of European literature, European and Scottish literature, notably the novels ''Ivanhoe'' (18 ...

in his 1821 novel '' The Pirate'', where "Norma of the Fitful Head" lived.

References

Headlands of Scotland Landforms of Shetland Mainland, Shetland {{Shetland-geo-stub