At a height of , Great Dun Fell is the second-highest

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually highe ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

's Pennines, lying south along the watershed from

Cross Fell Cross Fell is the highest mountain in the Pennines of Northern England and the highest point in England outside the Lake District. It is located in the North Pennines Area of Outstanding Natural Beauty. It lies within the county of Cumbria and ...

, its higher neighbour. Together with its smaller twin, Little Dun Fell, which reaches , it forms a stepping-stone for the

Pennine Way The Pennine Way is a National Trail in England, with a small section in Scotland. The trail stretches for from Edale, in the northern Derbyshire Peak District, north through the Yorkshire Dales and Northumberland National Park and ends at Kir ...

on its long climb up from

Dufton Dufton is a village and civil parish in Cumbria, England. Historically part of Westmorland, it lies in the Eden Valley and below Great Dun Fell. It is mostly around 180m above sea level. At the 2001 census the parish had a population of 169, ...

. It lies within the historic county boundaries of

Westmorland Westmorland (, formerly also spelt ''Westmoreland'';R. Wilkinson The British Isles, Sheet The British IslesVision of Britain/ref> is a historic county in North West England spanning the southern Lake District and the northern Dales. It had an ...

and the modern county of

Cumbria Cumbria ( ) is a ceremonial and non-metropolitan county in North West England, bordering Scotland. The county and Cumbria County Council, its local government, came into existence in 1974 after the passage of the Local Government Act 1972. C ...

Radar station

At the summit there is a

radar station Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, wea ...

which is operated by

National Air Traffic Services NATS Holdings, formerly National Air Traffic Services and commonly referred to as NATS, is the main air navigation service provider in the United Kingdom. It inherited the traditions of UK air traffic control, which (founded over Croydon Air ...

and is a key part of the

Air Traffic Control Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled airs ...

system for Northern England and Southern Scotland. A

radome A radome (a portmanteau of radar and dome) is a structural, weatherproof enclosure that protects a radar antenna. The radome is constructed of material transparent to radio waves. Radomes protect the antenna from weather and conceal antenna e ...

containing Primary Surveillance radar (PSR) and Secondary Surveillance Radar (SSR)

antennas In radio engineering, an antenna or aerial is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver. In transmission, a radio transmitter supplies an ...

, various towers and fencing crown the summit.

Alfred Wainwright Alfred Wainwright MBE (17 January 1907 – 20 January 1991), who preferred to be known as A. Wainwright or A.W., was a British fellwalker, guidebook author and illustrator. His seven-volume '' Pictorial Guide to the Lakeland Fells'', publis ...

abhorred the old radio station (removed in the 1980s) in his book ''Pennine Way Companion''. The construction of the radar station led to the repaving of a tarred road to the summit, which became Britain's highest road. This road is marked as private from just above the village of Knock, and is not open to public motor vehicles. However, it is a bridleway until shortly before the radar station, so it is open to walkers, cyclists and horseriders.

Field station

The

University of Manchester , mottoeng = Knowledge, Wisdom, Humanity , established = 2004 – University of Manchester Predecessor institutions: 1956 – UMIST (as university college; university 1994) 1904 – Victoria University of Manchester 1880 – Victoria Univ ...

formerly had a permanent meteorological observatory at the Great Dun Fell site. It has hosted a number of

field experiment Field experiments are experiments carried out outside of laboratory settings. They randomly assign subjects (or other sampling units) to either treatment or control groups in order to test claims of causal relationships. Random assignment help ...

s doing research into

cloud In meteorology, a cloud is an aerosol consisting of a visible mass of miniature liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space. Water or various other chemicals may ...

s and their interactions with pollution. As the summit is in cloud for two thirds of the year it is an ideal location for this type of research. The university still has the option to use the site for short-term measurement periods.

Hushing

There are the remains of

hushing Hushing is an ancient and historic mining method using a flood or torrent of water to reveal mineral veins. The method was applied in several ways, both in prospecting for ores, and for their exploitation. Mineral veins are often hidden below ...

gulleys on the slopes of the mountain, created during

lead Lead is a chemical element with the symbol Pb (from the Latin ) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cu ...

mining Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. The exploitation of these deposits for raw material is based on the economic ...

of the

industrial revolution The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, that occurred during the period from around 1760 to about 1820–1840. This transition included going f ...

Climate

Using the -3°C isotherm, Great Dun Fell has an altitude influenced oceanic climate (

Köppen Climate Classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...

Cfc), closely bordering an alpine

tundra climate The tundra climate is a polar climate sub-type located in high latitudes and high mountains. undra climate https://www.britannica.com/science/tundra-climateThe Editors of Encyclopaedia Britannica, 2019 It is classified as ET according to Köppen ...

(ET) due to a July mean of exactly . The Met Office station publishes only temperature and frost averages. The summers are cool due to elevation. Considering its elevation and a latitude of over 54 degrees, winters are extremely mild due to oceanic influences.

References

External links

Cycling Uphill
Hewitts of England Mountains and hills of the Pennines Mountains and hills of Cumbria Nuttalls {{Cumbria-geo-stub