The River Caldew is a river running through 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...

 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...

. Historically, the county

Historic counties of England

The historic counties of England are subdivisions of England established for administration by the Normans and in most cases based on earlier Anglo-Saxon kingdoms and shires...

 watered by the Caldew was Cumberland

Cumberland

Cumberland is a historic county of North West England, on the border with Scotland, from the 12th century until 1974. It formed an administrative county from 1889 to 1974 and now forms part of Cumbria....

.

The Caldew's source is high up on Skiddaw

Skiddaw

Skiddaw is a mountain in the Lake District National Park in England. With a summit at 931 m above sea level it is the fourth highest mountain in England. It lies just north of the town of Keswick, Cumbria, and dominates the skyline in this part of the northern lakes...

, between the summit

Summit (topography)

In topography, a summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. Mathematically, a summit is a local maximum in elevation...

 and Sale How, in the Lake District

Lake District

The Lake District, also commonly known as The Lakes or Lakeland, is a mountainous region in North West England. A popular holiday destination, it is famous not only for its lakes and its mountains but also for its associations with the early 19th century poetry and writings of William Wordsworth...

, from where it runs east through a valley between Bowscale Fell and Carrock Fell

Carrock Fell

Carrock Fell is a fell in the English Lake District, situated in the northern region of the national park 13 kilometres north east of Keswick. The fell's name means "Rocky Fell" and comes from a combination of the Old Welsh language with the word "carrec" meaning rock and the Old Norse language...

.

At Hutton Roof, the river emerges from the dale and turns sharply northwards, a course taking it through the settlements of Hesket Newmarket, Sebergham, Gaitsgill, Buckabank and Dalston.

The river enters the suburbs of Carlisle

City of Carlisle

The City of Carlisle is a local government district of Cumbria, England, with the status of a city and non-metropolitan district. It is named after its largest settlement, Carlisle, but covers a far larger area which includes the towns of Brampton and Longtown, as well as outlying villages...

 close to Cummersdale. In Carlisle, the Caldew skirts around the castle

Carlisle Castle

Carlisle Castle is situated in Carlisle, in the English county of Cumbria, near the ruins of Hadrian's Wall. The castle is over 900 years old and has been the scene of many historical episodes in British history. Given the proximity of Carlisle to the border between England and Scotland, it...

 before emptying into the River Eden

River Eden, Cumbria

The River Eden is a river that flows through Cumbria, England on its way to the Solway Firth.-Course of river:The Eden rises in Black Fell Moss, Mallerstang, on the high ground between High Seat, Yorkshire Dales and Hugh Seat. Here it forms the boundary between the counties of Cumbria and North...

opposite Stanwix.