The
River Blackwater is a river in the
EnglishEngland 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...
counties of
HampshireHampshire is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, a historic cathedral city that was once the capital of England. Hampshire is notable for housing the original birthplaces of the Royal Navy, British Army, and Royal Air Force...
and
WiltshireWiltshire is a ceremonial county in South West England. It is landlocked and borders the counties of Dorset, Somerset, Hampshire, Gloucestershire, Oxfordshire and Berkshire. It contains the unitary authority of Swindon and covers...
. It is a tributary of the
River TestThe River Test is a river in Hampshire, England. The river has a total length of 40 miles and it flows through downland from its source near Ashe, 10 km to the west of Basingstoke , to the sea at the head of Southampton Water...
.
The river rises just to the east of the Wiltshire village of
RedlynchRedlynch is a hamlet and civil parish about southeast of Salisbury in Wiltshire, England. The parish includes the villages of Morgan's Vale immediately west of Redlynch, and Lover southeast of Redlynch...
, near
SalisburySalisbury is a cathedral city in Wiltshire, England and the only city in the county. It is the second largest settlement in the county...
. It then flows east across the county boundary into Hampshire. Here it flows north of the village of Wellow and Wigley before joining the Test between Totton and Redbridge.
This River Blackwater should not be confused with the
River BlackwaterThe River Blackwater is a tributary of the River Loddon in England and, indirectly, of the River Thames. It rises at Rowhill on the outskirts of Aldershot between Aldershot in Hampshire and Farnham in Surrey and runs northwards to join the Loddon near the village of Swallowfield in Berkshire...
in north-east Hampshire, which is a tributary of the
River LoddonThe River Loddon is a river in the English counties of Berkshire and Hampshire. It is a tributary of the River Thames, rising within the urban area of Basingstoke and flowing to meet the Thames near the village of Wargrave...
and (indirectly) of the
River ThamesThe River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...
.
Another similarly named waterway in Hampshire is Black Water. Black Water is a small stream which flows eastwards across the
New ForestThe New Forest is an area of southern England which includes the largest remaining tracts of unenclosed pasture land, heathland and forest in the heavily-populated south east of England. It covers south-west Hampshire and extends into south-east Wiltshire....
, passing under Rhinefield Ornamental Drive, before joining Ober Water and Highland Water just north of
BrockenhurstBrockenhurst is a village situated in the New Forest, Hampshire, England. The New Forest is a national park and Brockenhurst is therefore surrounded by woodland that attracts thousands of visitors all year round. The nearby towns surrounding Brockenhurst are Lymington and Lyndhurst. Brockenhurst...
to form the
Lymington River----The Lymington River is a small river in the south of england, flowing through the New Forest into the Solent at the town of Lymington. The river has a total length of 30 km, although above the point where it leaves the Crown lands of the New Forest at Brockenhurst it is known as the Highland...
.