The River Nadder is a tributary of the
River Avon, flowing in south
Wiltshire
Wiltshire (; abbreviated to Wilts) is a ceremonial county in South West England. It borders Gloucestershire to the north, Oxfordshire to the north-east, Berkshire to the east, Hampshire to the south-east, Dorset to the south, and Somerset to ...
, England.
Course
The river flows north from
Ludwell to West End where it is joined by the Ferne Brook, close to the
Lower Coombe and Ferne Brook Meadows site of special scientific interest (
SSSI). At
Wardour it is joined by the
River Sem. The river then flows east through
Tisbury, where it is joined by the
Fonthill Brook, and then onto
Barford St Martin and
Burcombe before reaching
Wilton. Near
Quidhampton, the
Wylye joins from the north. After passing
Harnham, the Nadder joins the Avon near
Salisbury Cathedral
Salisbury Cathedral, formally the Cathedral Church of the Blessed Virgin Mary, is an Church of England, Anglican cathedral in the city of Salisbury, England. The cathedral is regarded as one of the leading examples of Early English architecture, ...
.
Including its headwaters, the river's length is about .
Water quality
The Environment Agency measures the water quality of the river systems in England. Each is given an overall ecological status, which may be one of five levels: high, good, moderate, poor and bad. There are several components that are used to determine this, including biological status, which looks at the quantity and varieties of
invertebrate
Invertebrates are animals that neither develop nor retain a vertebral column (commonly known as a ''spine'' or ''backbone''), which evolved from the notochord. It is a paraphyletic grouping including all animals excluding the chordata, chordate s ...
s,
angiosperm
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed within a fruit ...
s and fish. Chemical status, which compares the concentrations of various chemicals against known safe concentrations, is rated good or fail.
[ Text was copied from this source, which is available under a]
Open Government Licence v3.0
© Crown copyright.
Water quality of the River Nadder in 2019:
Image gallery
Image:Palladian_bridge_Wilton_House.jpg, Flowing under the Palladian Bridge at Wilton House
Image:River_Nadder_Salisbury_Cathedral.jpg, Salisbury Cathedral seen from the banks of the Nadder
Image:River_Nadder_Harnham_Mill.jpg, The watermill at Harnham is near where the Nadder meets the Avon
Image:Reed beds - River Nadder at Harnham.jpg, Reed beds along the banks of the Nadder at Harnham
References
External links
Discover Nadder-
Cranborne Chase
Cranborne Chase () is an area of central southern England, straddling the counties Dorset, Hampshire and Wiltshire. It is part of the Cranborne Chase and West Wiltshire Downs Area of Outstanding Natural Beauty (AONB).
The area is dominated by, ...
AONB
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