The Erewash Valley is the valley of the River Erewash

River Erewash

The River Erewash is a river in England that flows roughly southwards through Derbyshire, close to its eastern border with Nottinghamshire.-Etymology:...

 on the border of Derbyshire

Derbyshire

Derbyshire is a county in the East Midlands of England. A substantial portion of the Peak District National Park lies within Derbyshire. The northern part of Derbyshire overlaps with the Pennines, a famous chain of hills and mountains. The county contains within its boundary of approx...

 and Nottinghamshire

Nottinghamshire

Nottinghamshire is a county in the East Midlands of England, bordering South Yorkshire to the north-west, Lincolnshire to the east, Leicestershire to the south, and Derbyshire to the west...

 as far as the River Trent

River Trent

The River Trent is one of the major rivers of England. Its source is in Staffordshire on the southern edge of Biddulph Moor. It flows through the Midlands until it joins the River Ouse at Trent Falls to form the Humber Estuary, which empties into the North Sea below Hull and Immingham.The Trent...

. It runs along the boundary of the southern end of the Derbyshire hills and the more rolling Nottinghamshire country. It is on the edge of an area of great mineral wealth, particularly coal, extending from Yorkshire to Leicestershire.

Industrial Importance

It has long been an important transport route, with the Erewash Canal

Erewash Canal

The Erewash Canal is a broad canal in Derbyshire, England. It runs just under and has 14 locks. The first lock at Langley Bridge is actually part of the Cromford Canal.-Origins:...

 being built from the River Trent to Langley Mill

Langley Mill

Langley Mill is a small town in the Amber Valley district of Derbyshire, England. It is on the border of Nottinghamshire, and runs into the towns of Aldercar and Heanor . Across the River Erewash is the Nottinghamshire town of Eastwood. It is part of the Aldercar and Langley Mill parish....

 in 1779, extended by the Cromford Canal

Cromford Canal

The Cromford Canal ran 14.5 miles from Cromford to the Erewash Canal in Derbyshire, England with a branch to Pinxton. Built by William Jessop with the assistance of Benjamin Outram, its alignment included four tunnels and 14 locks....

 in 1794 with a branch to Pinxton

Pinxton

Pinxton is a village on the eastern boundary of Derbyshire in the Bolsover district, England.In Anglo-Saxon times it was a small agricultural community, thought to have been recorded in the Domesday Book as "Esnotrewic." It is also thought that it was known as "Snodeswic," given by Wulfric Spott to...

, where it was later joined by the Mansfield and Pinxton Railway

Mansfield and Pinxton Railway

The Mansfield and Pinxton Railway was an early horse-drawn railway company in the United Kingdom, constructed in 1819 to transport coal between Mansfield and the head of the Pinxton branch of the Cromford Canal and thence by the Erewash Valley and the Trent to Leicester...

 in 1819.

Later the Midland Railway

Midland Railway

The Midland Railway was a railway company in the United Kingdom from 1844 to 1922, when it became part of the London, Midland and Scottish Railway....

 built a connection from its line at Trent Junction to the Mansfield and Pinxton, and onward to Chesterfield

Chesterfield

Chesterfield is a market town and a borough of Derbyshire, England. It lies north of Derby, on a confluence of the rivers Rother and Hipper. Its population is 70,260 , making it Derbyshire's largest town...

, which has become known as the Erewash Valley Line

Erewash Valley Line

The Erewash Valley Line is a railway line in Britain running from south of Chesterfield along the Erewash Valley to Trent Junction at Long Eaton, joining the Midland Main Line at each end.- History :...

.