The Haltwhistle Burn is a river which lies to the east of the Northumbrian town of
Haltwhistle
Haltwhistle is a market town and civil parish in Northumberland, England, east of Brampton. It had a population of 3,811 at the 2011 Census.
Stone-built houses are a feature of Haltwhistle. It is one of two settlements in Great Britain which c ...
. Rising in the peaty uplands below the ridge of the
Whin Sill
The Whin Sill or Great Whin Sill is a tabular layer of the igneous rock dolerite in County Durham, Northumberland and Cumbria in the northeast of England. It lies partly in the North Pennines Area of Outstanding Natural Beauty and partly in Nort ...
, the
burn
A burn is an injury to skin, or other tissues, caused by heat, cold, electricity, chemicals, friction, or ultraviolet radiation (like sunburn). Most burns are due to heat from hot liquids (called scalding), solids, or fire. Burns occur mainl ...
passes through the
Roman
Roman or Romans most often refers to:
*Rome, the capital city of Italy
*Ancient Rome, Roman civilization from 8th century BC to 5th century AD
*Roman people, the people of ancient Rome
*''Epistle to the Romans'', shortened to ''Romans'', a letter ...
Military Zone south of
Hadrian's Wall
Hadrian's Wall ( la, Vallum Aelium), also known as the Roman Wall, Picts' Wall, or ''Vallum Hadriani'' in Latin, is a former defensive fortification of the Roman province of Britannia, begun in AD 122 in the reign of the Emperor Hadrian. R ...
and through a dramatic sandstone gorge before descending between wooded banks to the South
Tyne Valley. The Haltwhistle Burn drains an area of approximately 42 km
2. Today the Burn is a haven for wildlife and a popular walk for residents and tourists but from Roman times until the 1930s the combination of valuable minerals and water power attracted a succession of industries which provided goods and employment to the town.
Geology and associated industries
The rocks underlying this part of
Northumberland
Northumberland () is a county in Northern England, one of two counties in England which border with Scotland. Notable landmarks in the county include Alnwick Castle, Bamburgh Castle, Hadrian's Wall and Hexham Abbey.
It is bordered by land on ...
were laid down during the
Carboniferous
The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
Period when variations in sea level resulted in successive deposits of
limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...
,
shale
Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4) and tiny fragments (silt-sized particles) of other minerals, especial ...
,
sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks.
Most sandstone is composed of quartz or feldspar (both silicates) ...
, and
coal
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.
Coal is formed when dea ...
, known in the UK as
Yoredale Series
The Yoredale Series, in geology, is a now obsolete term for a local phase of the Carboniferous rocks of the north of England, ranging in age from the Asbian Substage to the Yeadonian Substage. The term Yoredale Group is nowadays applied to the ...
and in the US as
cyclothems
In geology, cyclothems are alternating stratigraphy, stratigraphic sequences of Marine (ocean), marine and non-marine sediments, sometimes interbedded with coal seams. Historically, the term was defined by the European coal geologists who worked ...
. The water of the Haltwhistle Burn has cut through these deposits giving access to building stone, clay and coal, leading to the development of the associated industries of quarrying,
lime burning
A lime kiln is a kiln used for the calcination of limestone ( calcium carbonate) to produce the form of lime called quicklime (calcium oxide). The chemical equation for this reaction is
: CaCO3 + heat → CaO + CO2
This reaction can take pla ...
, brick, tile and pipe manufacture, coal mining and
coke (fuel)
Coke is a grey, hard, and porous coal-based fuel with a high carbon content and few impurities, made by heating coal or oil in the absence of air—a destructive distillation process. It is an important industrial product, used mainly in iro ...
and
coal-gas
Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system. It is produced when coal is heated strongly in the absence of air. Town gas is a more general term referring to manufactured gaseous ...
production.
Ironstone
Ironstone is a sedimentary rock, either deposited directly as a ferruginous sediment or created by chemical replacement, that contains a substantial proportion of an iron ore compound from which iron (Fe) can be smelted commercially. Not to be con ...
, found in association with the coal seams was also smelted on the banks of the burn.
Water power
The bed of the burn descends into the valley at a gentle angle of approximately 1 degree but the fall is sufficient to have run a corn mill and three woollen manufactories during the 18th and 19th centuries. The earliest of these processes to be mechanised was
fulling
Fulling, also known as felting, tucking or walking ( Scots: ''waukin'', hence often spelled waulking in Scottish English), is a step in woollen clothmaking which involves the cleansing of woven or knitted cloth (particularly wool) to elimin ...
, with the first records on the site dating to 1612. Later, with advances in technology, the
carding
Carding is a mechanical process that disentangles, cleans and intermixes fibres to produce a continuous web or sliver (textiles), sliver suitable for subsequent processing. This is achieved by passing the fibres between differentially moving su ...
and
spinning
Spin or spinning most often refers to:
* Spinning (textiles), the creation of yarn or thread by twisting fibers together, traditionally by hand spinning
* Spin, the rotation of an object around a central axis
* Spin (propaganda), an intentionally b ...
of wool was also carried out in
watermill
A watermill or water mill is a mill that uses hydropower. It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering. Such processes are needed in the production of ...
s. The advent of steam-driven mills led to the abandonment of woollen processing along the burn. Two mills were demolished in the 1930s and the remaining
fulling mill
Fulling, also known as felting, tucking or walking ( Scots: ''waukin'', hence often spelled waulking in Scottish English), is a step in woollen clothmaking which involves the cleansing of woven or knitted cloth (particularly wool) to elimin ...
is now a dwelling.
Roman fort
The remains of Haltwhistle Burn Roman Fort are situated on the eastern bank of Haltwhistle Burn, just north of the point where it is crossed by the
B6318
The Military Road is a name given locally to part of the B6318 road in Northumberland, England, which runs from Heddon-on-the-Wall in the east to Greenhead in the west.
It should not be confused with the Roman-built Military Way adjoining ...
, the so-called
Military Road
{{Use dmy dates, date=November 2019
The following is a list of military roads worldwide.
Australia
* Part of the A8 (Sydney) between Neutral Bay and Mosman
* Military Road, part of Route 39, Melbourne
* Military Road, off Wanneroo Road just north ...
here dating from the eighteenth century (). In-between the fort and the Military Road is the
Stanegate
The Stanegate (meaning "stone road" in Northumbrian dialect) was an important Roman road built in what is now northern England. It linked many forts including two that guarded important river crossings: Corstopitum (Corbridge) on the River Tyn ...
Roman road dating from AD 71, the earlier northern frontier preceding
Hadrian's Wall
Hadrian's Wall ( la, Vallum Aelium), also known as the Roman Wall, Picts' Wall, or ''Vallum Hadriani'' in Latin, is a former defensive fortification of the Roman province of Britannia, begun in AD 122 in the reign of the Emperor Hadrian. R ...
, as did Haltwhistle Burn Roman fort which it served. A large curving embankment survives which was built to carry the Stanegate from near the south gate of the fort down to the river, and another stretch of embankment carries the Stanegate up through a Roman
cutting
Cutting is the separation or opening of a physical object, into two or more portions, through the application of an acutely directed force.
Implements commonly used for wikt:cut, cutting are the knife and saw, or in medicine and science the scal ...
on the west side of the river.
Just to the north of the fort are three separate Roman marching camps.
Citizen science
The Haltwhistle Burn has been used as an important pilot site for an innovative
citizen science
Citizen science (CS) (similar to community science, crowd science, crowd-sourced science, civic science, participatory monitoring, or volunteer monitoring) is scientific research conducted with participation from the public (who are sometimes re ...
research project led by Newcastle University. The project enabled the local community to monitor the weather and water environment using simple and low-cost methods, including rainfall, river levels and flood events. This has provided locals and scientists, who are concerned about preserving the health of the Haltwhsitle Burn, with increased knowledge in order to manage
flood
A flood is an overflow of water ( or rarely other fluids) that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrol ...
risk,
water quality
Water quality refers to the chemical, physical, and biological characteristics of water based on the standards of its usage. It is most frequently used by reference to a set of standards against which compliance, generally achieved through tr ...
and
river morphology
The terms river morphology and its synonym stream morphology are used to describe the shapes of river channels and how they change in shape and direction over time. The morphology of a river channel is a function of a number of processes and enviro ...
issues. These
citizen science
Citizen science (CS) (similar to community science, crowd science, crowd-sourced science, civic science, participatory monitoring, or volunteer monitoring) is scientific research conducted with participation from the public (who are sometimes re ...
observations are being used to fill the data gaps in order to understand and manage location-specific issues. Commencing in 2013, the project was one of the first in the UK to explore and implement citizen science in this way.
References
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Rivers of Northumberland
1Haltwhistle
Roman auxiliary forts in England