The River Aller is a small river on

Exmoor Exmoor () is loosely defined as an area of hilly open moorland in west Somerset and north Devon in South West England. It is named after the River Exe, the source of which is situated in the centre of the area, two miles north-west of Simons ...

Somerset Somerset ( , ), Archaism, archaically Somersetshire ( , , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by the Bristol Channel, Gloucestershire, and Bristol to the north, Wiltshire to the east ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

. It rises as several small streams around Tivington and Huntscott and flows through the Holnicote Estate passing Holnicote and through

Allerford Allerford is a village in the county of Somerset, England, located within Exmoor National Park, and is part of the parish of Selworthy. It appears in Domesday Book as "Alresford – forda Ralph de Limesy Mill". The parish was part of th ...

, where it passes under a

packhorse A packhorse, pack horse, or sumpter refers to a horse, mule, donkey, or pony used to carry goods on its back, usually in sidebags or panniers. Typically packhorses are used to cross difficult terrain, where the absence of roads prevents the use of ...

bridge of medieval origin. It then joins the River Horner, which flows into Porlock Bay near Hurlstone Point on the

Bristol Channel The Bristol Channel (, literal translation: "Severn Sea") is a major inlet in the island of Great Britain, separating South Wales (from Pembrokeshire to the Vale of Glamorgan) and South West England (from Devon to North Somerset). It extends ...

. Because of the surrounding geology the area has been at risk of flooding. To help manage this risk telemetry monitoring of flows and a siren warning system have been proposed.

References

{{DEFAULTSORT:Aller, River Rivers of Somerset Exmoor