The Durham Dales is the name given to a large area of landscape in the west of County Durham

County Durham

County Durham is a ceremonial county and unitary district in north east England. The county town is Durham. The largest settlement in the ceremonial county is the town of Darlington...

, consisting primarily of the Durham portion of the North Pennines

North Pennines

The North Pennines is the northernmost section of the Pennine range of hills which runs north-south through northern England. It lies between Carlisle to the west and Darlington to the east...

, in England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.

Geography

The Durham Dales consist primarily of a series of high exposed moorland

Moorland

Moorland or moor is a type of habitat, in the temperate grasslands, savannas, and shrublands biome, found in upland areas, characterised by low-growing vegetation on acidic soils and heavy fog...

s, hills and mountain

Mountain

Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

s, a number exceeding a height of 2,000 ft above sea level, along with the valleys or dale

Dale (origin)

A dale is an open valley. The name is used when describing the physical geography of an area. It is used most frequently in the Lowlands of Scotland and in the North of England, where the term "fell" commonly refers to the mountains or hills that flank the dale.The word dale comes from the Old...

s, from which the area gets its name. These valleys include Teesdale

Teesdale

Teesdale is a dale, or valley, of the east side of the Pennines in England. Large parts of Teesdale fall within the North Pennines Area of Outstanding Natural Beauty - the second largest AONB in England and Wales. The River Tees rises below Cross Fell, the highest hill in the Pennines, and its...

 and Weardale

Weardale

Weardale is a dale, or valley, of the east side of the Pennines in County Durham, in England. Large parts of Weardale fall within the North Pennines Area of Outstanding Natural Beauty - the second largest AONB in England and Wales. The upper valley is surrounded by high fells and heather grouse...

. The area covers roughly one third of County Durham and is its least populous area.

Settlements

There are just a few market towns within the area—Barnard Castle

Barnard Castle

Barnard Castle is an historical town in Teesdale, County Durham, England. It is named after the castle around which it grew up. It sits on the north side of the River Tees, opposite Startforth, south southwest of Newcastle upon Tyne, south southwest of Sunderland, west of Middlesbrough and ...

, Consett

Consett

Consett is a town in the northwest of County Durham, England, about southwest of Newcastle upon Tyne. It is home to 27,394 .Consett sits high on the edge of the Pennines. In 1841, it was a village community of only 145, but it was about to become a boom town: below the ground was coking coal and...

, Middleton-in-Teesdale

Middleton-in-Teesdale

Middleton-in-Teesdale is a small market town in County Durham, in England. It is situated on the north side of Teesdale between Eggleston and Newbiggin, a few miles to the north west of Barnard Castle...

 and Stanhope

Stanhope, County Durham

Stanhope is a small market town in County Durham, in England. It is situated on the River Wear between Eastgate and Frosterley on the north side of Weardale. The A689 trans-Pennine road meets the B6278 road from Barnard Castle to Shotley Bridge here....

—though some also consider the Durham Dales to extend as far East as Bishop Auckland

Bishop Auckland

Bishop Auckland is a market town and civil parish in County Durham in north east England. It is located about northwest of Darlington and southwest of Durham at the confluence of the River Wear with its tributary the River Gaunless...

 and Crook

Crook, County Durham

Crook is a market town in County Durham, England. It is situated about 10 miles south-west of Durham.Crook lies a couple of miles north of the River Wear, on the A690 from Durham...

.
There are a number of small villages in the area, which in general tend to be sparsely populated and spread out, in great contrast to much of the rest of County Durham.

Geology

Like much of the North Pennines, the Durham Dales form an anticline

Anticline

In structural geology, an anticline is a fold that is convex up and has its oldest beds at its core. The term is not to be confused with antiform, which is a purely descriptive term for any fold that is convex up. Therefore if age relationships In structural geology, an anticline is a fold that is...

, with carboniferous limestone

Carboniferous limestone

Carboniferous Limestone is a term used to describe a variety of different types of limestone occurring widely across Great Britain and Ireland which were deposited during the Dinantian epoch of the Carboniferous period. They were formed between 363 and 325 million years ago...

 exposed at the surface. The Durham Dales, like much of the Pennines, have long been exploited for their rich mineralogical resources, notably lead

Lead

Lead is a main-group element in the carbon group with the symbol Pb and atomic number 82. Lead is a soft, malleable poor metal. It is also counted as one of the heavy metals. Metallic lead has a bluish-white color after being freshly cut, but it soon tarnishes to a dull grayish color when exposed...

 and ironstone

Ironstone

Ironstone is a sedimentary rock, either deposited directly as a ferruginous sediment or created by chemical repacement, that contains a substantial proportion of an iron compound from which iron either can be or once was smelted commercially. This term is customarily restricted to hard coarsely...

.

Ecology

Many of the high hills are occupied by moors with peat

Peat

Peat is an accumulation of partially decayed vegetation matter or histosol. Peat forms in wetland bogs, moors, muskegs, pocosins, mires, and peat swamp forests. Peat is harvested as an important source of fuel in certain parts of the world...

-moss

Moss

Mosses are small, soft plants that are typically 1–10 cm tall, though some species are much larger. They commonly grow close together in clumps or mats in damp or shady locations. They do not have flowers or seeds, and their simple leaves cover the thin wiry stems...

es, the higher ground being uncultivable and barely fit for pasture

Pasture

Pasture is land used for grazing. Pasture lands in the narrow sense are enclosed tracts of farmland, grazed by domesticated livestock, such as horses, cattle, sheep or swine. The vegetation of tended pasture, forage, consists mainly of grasses, with an interspersion of legumes and other forbs...

s.
As with much of the landscape of the Pennines, they are generally upland areas of high moorland indented by the more fertile valleys of various rivers and streams.

The Durham Dales constitute the principal watershed for the county of Durham, as well as contributing to those of the neighbouring counties of Cumbria

Cumbria

Cumbria , is a non-metropolitan county in North West England. The county and Cumbria County Council, its local authority, came into existence in 1974 after the passage of the Local Government Act 1972. Cumbria's largest settlement and county town is Carlisle. It consists of six districts, and in...

, Northumberland

Northumberland

Northumberland is the northernmost ceremonial county and a unitary district in North East England. For Eurostat purposes Northumberland is a NUTS 3 region and is one of three boroughs or unitary districts that comprise the "Northumberland and Tyne and Wear" NUTS 2 region...

 and North Yorkshire

North Yorkshire

North Yorkshire is a non-metropolitan or shire county located in the Yorkshire and the Humber region of England, and a ceremonial county primarily in that region but partly in North East England. Created in 1974 by the Local Government Act 1972 it covers an area of , making it the largest...

. The rivers Wear

River Wear

The River Wear is located in North East England, rising in the Pennines and flowing eastwards, mostly through County Durham, to the North Sea at Sunderland.-Geology and history:...

, Tees

River Tees

The River Tees is in Northern England. It rises on the eastern slope of Cross Fell in the North Pennines, and flows eastwards for 85 miles to reach the North Sea between Hartlepool and Redcar.-Geography:...

 and Derwent

River Derwent, North East England

The River Derwent is a river on the border between County Durham and Northumberland in the north east of England. It broadens into the Derwent Reservoir, west of Consett. The Derwent is a tributary of the River Tyne, which it joins near the MetroCentre...

 all rise in the Durham Dales and flow eastward towards the North Sea. The Derwent helps to form County Durham's northerly border, and the Tees traditionally its southern border.

Along the course of the Tees are the three attractions of the High Force

High Force

High Force is a waterfall on the River Tees, near Middleton-in-Teesdale, Teesdale, County Durham, England. The waterfall is within the North Pennines Area of Outstanding Natural Beauty and European Geopark....

, Low Force

Low Force

Low Force is a 5.5m high set of falls in the Tees Valley, England. Further upstream is the High Force waterfall. Low Force is also the site of the Wynch Bridge, completed in 1830. It is suggested that only one person at a time should cross the bridge as it may be unstable.Low Force is within the...

 and Cauldron Snout

Cauldron Snout

Cauldron Snout is a waterfall on the upper reaches of the River Tees in Northern England, immediately below the dam of the Cow Green Reservoir. It is well upstream of the High Force waterfall, and is on the boundary between County Durham and Cumbria, England...

waterfalls.