Difference between revisions of "Dundas Aqueduct"

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[[Category:Kennet and Avon Canal]]
[[Category:Kennet and Avon Canal]]
[[Category:Canals in Somerset]]
[[Category:Aqueducts in Somerset]]
[[Category:Canals in Wiltshire]]
[[Category:Aqueducts in Wiltshire]]
[[Category:Bridges across the River Avon, Somerset]]
[[Category:Bridges across the River Avon, Somerset]]

Revision as of 13:13, 3 March 2019

Dundas Aqueduct from the Avon
Dundas Aqueduct (the narrow section of canal in the centre) viewed from the west

Dundas Aqueduct carries the Kennet and Avon Canal over the River Avon on the Somerset / Wiltshire border and the Wessex Main Line railway from Bath to Westbury. The aqueduct is near Monkton Combe, Somerset, and is about 2½ miles south-east of the city of Bath.

It was designed by John Rennie and chief engineer John Thomas between 1797 and 1801, and completed in 1805. James McIlquham was appointed contractor.[1] It is named after Charles Dundas, the first chairman of the Kennet and Avon Canal Company. The aqueduct is 150 yds long with three arches built of Bath Stone, with Doric pilasters, and balustrades at each end.[2] The central semi-circular arch spans 64 ft; the two oval side arches span 20 ft.[3] It is a Grade-I listed building,[4] and was the first canal structure to be designated as a Scheduled Ancient Monument in 1951.

Over many years, leaks had developed and the aqueduct was closed in 1954. For a while in the 1960s and 1970s, the canal was dry and it was possible to walk along the bed on each side of the river, as well as through the aqueduct itself. The aqueduct was relined with polythene and concrete and restored, reopening in 1984.[5] Care was taken not to disturb a colony of bats living under the aqueduct.[2]

The Dundas Aqueduct from the eastern end. The canal boat in the picture can turn left to moorings on the only remaining section of the Somersetshire Coal Canal or turn right to traverse the last few miles of the canal into the city of Bath. The walls of the Aqueduct can be seen on the left and right; the river and railway are unseen far below.

The aqueduct is also the junction between the Kennet and Avon Canal and the largely derelict Somersetshire Coal Canal. The short stretch of the Somerset Coal Canal still in water forms Brassknocker Basin, used for boat moorings, cycle hire and a cafe,[6] and is next to Dundas Wharf where the small tollhouse, warehouse and crane still stand. The stretch of river below and above the aqueduct is used by Monkton Combe School Boat Club (Monkton Bluefriars) up to six days a week,[7] since at least the 1960s. At the opposite (Wiltshire) end of the aqueduct a wharf was constructed serving the Conkwell stone quarries.[8]

Between 2002 and 2004 further restoration was undertaken, which included replacing engineering bricks used by GWR with Bath Stone to match the original work.[9]

In 2015, the railway below the aqueduct was lowered to allow the route to be used as a diversionary route for freight trains in the future. Network Rail published a time-lapse video of the work.[10]


  1. Cragg, Roger (1997). Wales and West Central England: Wales and West Central England, 2nd Edition. Thomas Telford. ISBN 0-7277-2576-9. 
  2. 2.0 2.1 Pearson, Michael (2003). Kennet & Avon Middle Thames:Pearson's Canal Companion. Rugby: Central Waterways Supplies. ISBN 0-907864-97-X. 
  3. "Dundas Aqueduct". Kennet & Avon Canal. Archived from the original on 12 August 2014. https://web.archive.org/web/20140812214528/http://www.envf.port.ac.uk/kacanal/html/kac0063.htm. Retrieved 10 September 2006. 
  4. "Dundas Aqueduct". Images of England. http://www.imagesofengland.org.uk/details/default.aspx?id=314745. Retrieved 10 September 2006. 
  5. Allsop, Niall (1987). The Kennet & Avon Canal. Bath: Millstream Book. ISBN 0-948975-15-6. 
  6. "Dundas Aqueduct". Canal and Rivers Trust. https://canalrivertrust.org.uk/places-to-visit/dundas-aqueduct. Retrieved 14 September 2017. 
  7. "Dundas Wharf Project". Claverton Pumping Station. http://www.claverton.org/. Retrieved 14 September 2006. 
  8. Halse, Roger; Simon Castens (2000). The Somersetshire Coal Canal: A Pictorial Journey. Bath: Millstream Books. ISBN 0-948975-58-X. 
  9. "Dundas Aqueduct". British Waterways. Archived from the original on 18 March 2012. https://web.archive.org/web/20120318032839/http://www.britishwaterways.co.uk/south-west/regeneration-projects/kennet-and-avon-canal. Retrieved 17 May 2011. 
  10. "Great Western Route Modernisation - Bath and North East Somerset". Network Rail. 15 November 2015. http://www.networkrail.co.uk/great-western-route-modernisation/banes/. Retrieved 13 December 2015. 

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