River Derwent, Derbyshire

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River Derwent
River
The River Derwent, just south of Duffield
Country	England
Counties	Derbyshire

Tributaries
- right	River Wye


Source
- location	Bleaklow east of Glossop
Mouth
- location	confluence with River Trent

Length	80 km (50 mi)

For other rivers called Derwent, see River Derwent.

The Derwent is a river in the county of Derbyshire, England. It is 80 km (50 miles) long and is a tributary of the River Trent which it joins south of Derby.

It rises in the Peak District at Bleaklow east of Glossop and flows through the Upper Derwent Valley with its three reservoirs, the Howden Reservoir, Derwent Reservoir and Ladybower Reservoir. The River Derwent supplies Carsington Reservoir but it doesn't supply it directly, Severn Trent Water devise a way of filling Carsington Reservoir through tunnels and aqueduct. It then passes through Bamford, Hathersage, Grindleford and Baslow, and through the Chatsworth Park estate, and it is joined by the River Wye. After passing through Darley Dale, the Derwent reaches Matlock. It flows past Cromford and through the Crich Chase Nature Reserve.

The river was used to power many cotton mills in the Derwent Valley Mills area.

The River Derwent is the habitat for many different animals such as otters and fish.

It also provides the name for the oldest field hockey club in Derbyshire. Derwent Hockey Club, established in 1897, played its matches on the banks of the Derwent in Darley Dale, before locating to Wirksworth.

The name "Derwent" is Celtic^{[citation needed]} and means "a valley thick with oaks"^{[citation needed]}.

The river Derwent ends at Derwent Mouth, 1 mile east of Shardlow, where it flows into the River Trent.