The Mangerton River or Mangerton Brook is a 13.37 km (8.31 mi) long river in

Dorset Dorset ( ; archaically: Dorsetshire , ) is a county in South West England on the English Channel coast. The ceremonial county comprises the unitary authority areas of Bournemouth, Christchurch and Poole and Dorset (unitary authority), Dors ...

, England that is a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

River Asker The River Asker is a small river in Dorset, England. It rises on the chalk slopes of Eggardon Hill, approximately east of Bridport. It flows west-northwest through the villages of Askerswell to which it gives its name, Uploders, where many cotta ...

. The river rises at

Powerstock Powerstock is a village and civil parish in south west Dorset, England, situated in a steep valley on the edge of the Dorset Downs, north-east of the market town of Bridport. The civil parish includes the village of West Milton to the west and ...

and flows westward through the small village of West Milton (at the centre of the river), then southward through the hamlet Mangerton, before flowing into the River Asker at

Bradpole Bradpole is a village and civil parish in south west Dorset, England, in the Brit valley, outside Bridport. In the 2011 census the population of the parish was 2,339. In 1651 Charles II passed through Bradpole in his efforts to evade captur ...

, near

Bridport Bridport is a market town in Dorset, England, inland from the English Channel near the confluence of the River Brit and its tributary the Asker. Its origins are Saxon and it has a long history as a rope-making centre. On the coast and withi ...

, which itself flows into the

River Brit The River Brit is a river in west Dorset in south-west England, which rises just to the north of Beaminster. It then flows south to Netherbury and Bridport, where it is joined by tributaries: the River Simene and River Asker. South of Bridport, i ...

. It also flows through the West Dorset Alder Woods protected area. Mangerton River powers the

Grade II-listed In the United Kingdom, a listed building or listed structure is one that has been placed on one of the four statutory lists maintained by Historic England in England, Historic Environment Scotland in Scotland, in Wales, and the Northern Irel ...

Mangerton Mill.

Historic England Historic England (officially the Historic Buildings and Monuments Commission for England) is an executive non-departmental public body of the British Government sponsored by the Department for Digital, Culture, Media and Sport. It is tasked wit ...

Mangerton Mill, excluding the Mill House
215867 ''

National Heritage List for England The National Heritage List for England (NHLE) is England's official database of protected heritage assets. It includes details of all English listed buildings, scheduled monuments, register of historic parks and gardens, protected shipwrecks, an ...

''. Retrieved 22 July 2021.

Water quality

Water quality of the Mangerton River in 2019, according to the

Environment Agency The Environment Agency (EA) is a non-departmental public body, established in 1996 and sponsored by the United Kingdom government's Department for Environment, Food and Rural Affairs, with responsibilities relating to the protection and enha ...

References

External links

Mangerton River
at ''RiverLevels.uk''
Mangerton River
at Wikishire Rivers of Dorset {{England-river-stub