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River Derwent

Waterway
Waterway name
River Derwent
Information
Information

The ‘Yorkshire’ River Derwent rises high on the North Yorkshire Moors (at Fylingdales Moor in the North York Moors National Park), before flowing southward through the Vale of Pickering to Malton and thence along the western edge of the East Riding of Yorkshire, where it eventually meets the River Ouse at Barmby on the Marsh.


Flowing through a largely rural area, the river is crucial for local agriculture and regional drainage. Water is also extracted by Yorkshire Water to serve the residents of York, Leeds, Hull and South Yorkshire via pumping stations at Elvington and Loftsome Bridge. Barmby Barrage, at Barmby on the Marsh, is a tidal barrier that prevents water from the River Ouse from entering the River Derwent. This allows an element of control over water quality (for abstraction) and level (for navigation and drainage).


The river is designated as an SAC and SSSI between Ryemouth and Barmby on the Marsh. In its lower reaches, south of Elvington, the river flows through the Lower Derwent Valley, much of which is designated an SAC, SSSI, Ramsar site and SPA in its own right. There are also National Nature Reserves (NNRs) at both ends of the waterway - Forge Valley and the Lower Derwent Valley.


A public right of navigation exists from Barmby on the Marsh to Sutton Lock, though the river is currently navigable to Stamford Bridge. Navigation is managed by the Environment Agency alongside water management and natural environment considerations.


The main towns on the river are Malton/Norton and Stamford Bridge, although it also flows through or past many smaller settlements for which the river is a valuable community resource.

River Derwent
River Derwent
River Derwent (Andy Beecroft)
River Derwent (Andy Beecroft)
Location
Barmby On The Marsh
DN14 7HX
United Kingdom