Thumbnail (cliff)

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Thumbnail sea cliff Thumbnail cliff.jpg
Thumbnail sea cliff

The Thumbnail is a sea cliff in Kujalleq, South Greenland.

Cliff A vertical, or near vertical, rock face of substantial height

In geography and geology, a cliff is a vertical, or nearly vertical, rock exposure. Cliffs are formed as erosion landforms by the processes of weathering and erosion. Cliffs are common on coasts, in mountainous areas, escarpments and along rivers. Cliffs are usually formed by rock that is resistant to weathering and erosion. Sedimentary rocks most likely to form cliffs include sandstone, limestone, chalk, and dolomite. Igneous rocks such as granite and basalt also often form cliffs.

Kujalleq Municipality in Greenland, Kingdom of Denmark

Kujalleq is a municipality on the southern tip of Greenland, operational from 1 January 2009. The administrative center of the municipality is in Qaqortoq. The municipality consists of the former municipalities of southern Greenland, each named after the biggest settlement:

Greenland autonomous country within the Kingdom of Denmark

Greenland is an autonomous country of the Kingdom of Denmark, located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for more than a millennium. The majority of its residents are Inuit, whose ancestors began migrating from the Canadian mainland in the 13th century, gradually settling across the island.



It is located in Cape Farewell region, ca. 50 km to the east from the town of Nanortalik, over the west side of Torssukátak Fjord (also known as Torssukátak Sound) between the mainland and Pamiagdluk Island. It belongs to the Maujit Qaqarssuasia (Qoqarssuasia) massif, its eastern flank being 1560 m a.s.l. The nearest peak dominating the neighboring ridge is Agdlerussakasit (1760 or 1706 m a.s.l.) and some of the reports on the climbs on the cliff also refer to this summit's name.

Cape Farewell, Greenland cape in Greenland

Cape Farewell is a headland on the southern shore of Egger Island, Nunap Isua Archipelago, Greenland. As the southernmost point of the country, it is one of the important landmarks of Greenland.

Nanortalik Place in Greenland, Kingdom of Denmark

Nanortalik, formerly Nennortalik, is a town in Nanortalik Island, Kujalleq municipality, southern Greenland. With 1,337 inhabitants as of 2013, it is the tenth-largest town in the country. The name Nanortalik means "Place of Polar Bears" or "Place Where the Polar Bears Go". It is the southernmost town in Greenland, with a population of over 1,000.

Torsukattak Strait

Torsukattak Strait is a strait in the Qaasuitsup municipality in northwestern Greenland.


In 2000, 2003 and 2007 there were established 4 climbing routes on the east face, all starting from the sea. The hardest one is the earliest, British route, established in the steepest, right-hand part of the face in 2000 and graded as English E6, 6b or American 5.12c. The route finishes on the subsidiary top/outcrop (which was in 2000 called as Thumbnail itself) and has altitude approximated by altimeter as 1350 meters a.s.l. (originally 4490 ft, see references, AAJ 2001, pp. 64 and 70).

Grade (climbing) Degree of difficulty of a climbing route

In rock climbing, mountaineering, and other climbing disciplines, climbers give a grade to a climbing route or boulder problem, intended to describe concisely the difficulty and danger of climbing it. Different types of climbing each have their own grading systems, and many nationalities developed their own, distinctive grading systems.

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K2 the second-highest mountain on Earth, located on the China–Pakistan occupied Kashmir border in a region also claimed by India

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Annapurna Massif Himalayan mountain range in north-central Nepal

Annapurna is a massif in the Himalayas in north-central Nepal that includes one peak over 8,000 metres (26,000 ft), thirteen peaks over 7,000 metres (23,000 ft), and sixteen more over 6,000 metres (20,000 ft). The massif is 55 kilometres (34 mi) long, and is bounded by the Kali Gandaki Gorge on the west, the Marshyangdi River on the north and east, and by Pokhara Valley on the south. At the western end the massif encloses a high basin called the Annapurna Sanctuary. Annapurna I Main is the tenth highest mountain in the world at 8,091 metres (26,545 ft) above sea level, and in 1950 Maurice Herzog led a French expedition to its summit, making it the first of the eight-thousanders to be climbed.

Nanga Parbat mountain in Pakistan

Nanga Parbat, locally known as Diamer, is the ninth highest mountain in the world at 8,126 metres (26,660 ft) above sea level. Located in the Diamer District of Pakistan’s Gilgit Baltistan region, Nanga Parbat is the western anchor of the Himalayas. The name Nanga Parbat is derived from the Sanskrit words nagna and parvata which together mean "Naked Mountain". The mountain is locally known by its Tibetan name Diamer or Deo Mir, meaning "huge mountain".

El Capitan rock formation in Yosemite National Park, California

El Capitan, also known as El Cap, is a vertical rock formation in Yosemite National Park, located on the north side of Yosemite Valley, near its western end. The granite monolith is about 3,000 feet (914 m) from base to summit along its tallest face, and is a popular objective for rock climbers.

Oliver Perry-Smith American mountain climber

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John Middendorf American mountain climber and inventor

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The Revelation Mountains are a small, rugged subrange of the Alaska Range in Alaska, United States. They mark the furthest western extent of the Alaska Range. The range is rarely visited because of the flying time necessary to get there and also because of the notoriously poor weather conditions that are prevalent in the range. The highest peak in the range is Mount Hesperus.

The Piolet d'Or is an annual mountaineering award given by the French magazine Montagnes and The Groupe de Haute Montagne since 1992. Golden Ice Axes are awarded for achievements in the previous year. Nominations are selected by GHM and Montagnes, and the award is chosen by a jury consisting of Guy Chaumereuil, Jean-Claude Marmier, the current president of GHM, the current editor of Montagnes, the previous year's winners and three members invited by GHM, one of whom becomes the president of the jury.

Wojciech Kurtyka is a Polish mountaineer and rock climber, one of the pioneers of the alpine style of climbing the biggest walls in the Greater Ranges. He lived in Wrocław up to 1974 when he moved to Kraków. He graduated as engineer in electronics. In 1985 he conquered the "Shining Wall" Gasherbrum IV, which Climbing magazine declared to be the greatest achievement of mountaineering in the twentieth century. In 2016, he received the Piolet d'Or for lifetime achievement in mountaineering.

The Arwa Group is a set of three Himalayan peaks, named Arwa Tower, Arwa Crest, and Arwa Spire, situated in the Chamoli district of Uttarakhand state, in northern India. They are situated on the south side of the southwest branch of the Arwa Valley, south of the dry lake Arwa Tal, and northwest of Badrinath. To their south lies the Bhagirath Kharak Glacier. Lying near the border with Tibet, these peaks have restricted access, and they have not been frequented by climbers until recently. However their steep, rocky profiles offer an extreme challenge to high-level rock climbers.

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Chuck Pratt American rock climber

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Stordalen Havn

Stordalen Havn is a small, sheltered natural harbour at the northern end of Torsukattak Fjord in the district of Nanortalik, in Greenland.

Tour Ronde mountain

The Tour Ronde is a mountain in the Mont Blanc massif of the Alps, situated on the border between France and Italy. It is a prominent mountain, some 3.5 km north-east of Mont Blanc, but is effectively part of a continuation of the south eastern spur of Mont Maudit which forms a frontier ridge between the two countries. It is easily accessible to mountaineers and provides not only a very good viewpoint from its summit of the Brenva face and the major peaks on the southern side of Mont Blanc, but it also offers a popular introduction to alpine climbing of all grades, including a north face ascent.


Alleruusakasiit, former spelling Agdlerussakasit, is a mountain in the Kujalleq municipality, southern Greenland.

Petermann Peak mountain in Northeast Greenland National Park Greenland

Petermann Peak,, also known as Petermann Fjeld, Petermanns Topp and Petermann Point is a mountain in King Christian X Land, Northeast Greenland. Administratively it is part of the Northeast Greenland National Park zone.


<i>American Alpine Journal</i>

The American Alpine Journal is an annual magazine published by the American Alpine Club. Its mission is "to document and communicate mountain exploration." The headquarters is in Golden, Colorado.

Coordinates: 60°06′36″N44°29′53″W / 60.110°N 44.498°W / 60.110; -44.498

Geographic coordinate system Coordinate system

A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.