River Otter, Devon
The tidal estuary of the Otter. The river flows left to right, in front of the distinctive hill. The marsh (foreground) is separated from the sea by a steep pebble bar (right).
|- location||Blackdown Hills, Somerset, England|
|- elevation||278 m (912 ft)|
|- location||Budleigh Salterton, Devon, England|
|- elevation||0 m (0 ft)|
|Length||32 km (20 mi)|
|- average||3.12 m3/s (110 cu ft/s)|
|- max||346.7 m3/s (12,244 cu ft/s) (11 July 1968)|
|- min||0.46 m3/s (16 cu ft/s) (24 August 1976)|
|Discharge elsewhere (average)|
|- Fenny Bridges||2.13 m3/s (75 cu ft/s)|
Map of the River Otter and its catchment.
|Wikimedia Commons: River Otter|
The River Otter rises in the Blackdown Hills just inside the county of Somerset, England near Otterford, then flows south for some 32 km through East Devon to the English Channel at the western end of Lyme Bay, part of the Jurassic Coast, a UNESCO World Heritage Site. The Permian and Triassic sandstone aquifer in the Otter Valley is one of Devon's largest groundwater sources, supplying drinking water to 200,000 people.
The river flows through a predominantly rural area, with small cattle, sheep and dairy farms. The largest town in the Otter Valley is Honiton. Tourism and leisure play important roles in the economy. For much of its length, the river flows through two Areas of Outstanding Natural Beauty (AONBs) – The Blackdown Hills AONB (to the north of Honiton) and East Devon AONB (to the south of Ottery St Mary).
The river passes through or by Upottery, Rawridge, Monkton, Honiton, Alfington, Ottery St Mary, Tipton St John, Newton Poppleford and Otterton before reaching the Otter Estuary to the east of Budleigh Salterton.
The Otter Estuary Nature Reserve is a 57-acre (230,000 m2) Site of Special Scientific Interest (SSSI) consisting of tidal mudflats and saltmarsh. There is no public access to the estuary itself but footpaths lead alongside with two viewing platforms on the west and two hides one on the west and one on the east. The wintering population of wildfowl and waders includes redshank, greenshank, dunlin, common sandpiper, ringed plover, grey plover, curlew, snipe, water rail, wigeon, teal, shelduck, brent goose, red-breasted merganser and little grebe. Reed warbler, reed bunting and sedge warbler breed on the reserve.
A small tributary is the River Tale, with the confluence NW of Ottery St Mary. This small town (associated with Samuel Taylor Coleridge, Sir Walter Raleigh, and an annual tar barrel rolling event) is the site of an unusual circular weir, known as the Tumbling Weir. Another small tributary is Budleigh Brook, which joins the Otter at East Budleigh.
At one time there were as many as fifty watermills powered by the River Otter. One of the remaining working mills, thought to date from the 17th century, is Tracey Mill near Honiton. In the 1970s, fish ponds were dug around the mill, fed by the leat; over a million gallons of fresh water flow through these ponds every day, helping the commercial production of trout "without the need for antibiotics or added oxygen".
One mill, at Dotton, is known to have operated from around 1100 to 1960, after which the building was demolished. The site was excavated by Channel 4's archaeological television programme Time Team, the episode "The Domesday Mill" being broadcast in 2007. This mill is mentioned in the Domesday Book. A weir diverted water to the mill's leat, supplying the vertical breast-shot wheel. Dotton (now little more than a farm) is 4.5 miles (7.2 km) from the mouth of the Otter, and about one mile (1.6 km) north of the village of Colaton Raleigh.
At the village of Otterton (once a seaport on a larger Otter Estuary), Otterton Mill is a working watermill over 1,000 years old; it was one of the three largest mills in Devon as recorded in the Domesday Book of 1086. It is powered by water diverted through a leat. Immediately north of the leat, a fish pass (a.k.a. ladder/staircase) has been constructed beside a river-wide weir, restoring migratory fish runs to the river after a break of over 100 years.
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At Ottery St Mary the river is spanned by a 95-metre foot and cycle bridge named Coleridge Bridge; built at a cost approaching £1m, this was officially opened on 29 August 2011. A small area of land at one end of the bridge was sold to the local authorities by Lord Coleridge, a descendant of the poet, Samuel Taylor Coleridge.
The Otter is the only river in England known to contain a breeding population of beavers, a species that died out in Britain in around 1550. The origin of the population is not known; it was first noticed in 2013, apparently successfully bearing three kits the next year.
Following concern from local landowners and anglers, as well as farmers worrying that the beavers could carry disease, the government announced that it would capture the beavers and place them in a zoo or wildlife park. A sport fishing industry lobbyist group, the Angling Trust, said "it would be irresponsible even to consider re-introducing this species into the wild without first restoring our rivers to good health."
This decision to immediately remove the beavers was protested by local residents and campaign groups, with environmental journalist George Monbiot describing the government and Angling Trust as "control freaks": "I'm an angler, and the Angling Trust does not represent me on this issue...most anglers, in my experience, have a powerful connection with nature. The chance of seeing remarkable wild animals while waiting quietly on the riverbank is a major part of why we do it."
The introduction of beavers to rivers has been encouraged by environmentalists, who have argued that beaver dams provide a habitat for birds and fish, reduce the strength of flooding by trapping water high up in a catchment area, away from homes further downstream, and could be a future tourist attraction. A local councillor, Claire Wright, was quoted as commenting, "The decision to let them stay should be made by the community, not by officials from London. There is a lot of support locally for them remaining on the river and general bafflement about why Defra would want to remove them." 
On the 28 January 2015, Natural England declared that the beavers would be allowed to remain on condition that they were free of disease and of Eurasian descent (as opposed to North American beavers, which would be invasive). These conditions were passed, and the beavers were returned to the river as part of a five-year trial scheme.
- "Tourists flock to see River Otter beavers". East Devon. Retrieved 26 April 2017.
- River level stations
- "Beaver spotted in Devon's River Otter by dog walker". BBC News. Retrieved 2 October 2014.
- Aldred, Jessica. "Wild beaver kits born in Devon". Guardian. Retrieved 2 October 2014.
- Lloyd, Mark. "Angling Trust welcomes action to remove beavers from Devon River". Angling Trust. Retrieved 1 October 2014.
- Monbiot, George. "Stop the control freaks who want to capture England's wild beavers". Guardian. Retrieved 1 October 2014.
- "Overwhelming support for River Otter beavers to stay wild heard at consultation". Exeter Express & Echo. Retrieved 2 October 2014.
- "Defra say catching East Devon's beavers could take months after rumours the wild animals are now in Honiton". Exeter Express & Echo. Retrieved 2 October 2014.
|Wikimedia Commons has media related to River Otter.|
- Otter Valley Association
- Otter Estuary Nature Reserve
- Ottery St Mary Tourist Information Centre
- BBC - Devon's rivers: The Otter
- BBC - Devon - Walks: The River Otter and Heritage Coast
- GENUKI: Otterton
- Otter Valley Weather
- East Devon Net: River Otter photographs