The River Biss flowing under the town bridge in Trowbridge
|- location||near Upton Scudamore, Wiltshire|
|- location||Staverton, Wiltshire|
|Length||18.385 km (11 mi)|
The River Biss is a small river in Wiltshire, England and is a tributary of the Bristol Avon. The name is of uncertain origin; it is claimed that the word is from the Old Norse bisa, meaning "to strive".
The river rises near Upton Scudamore on the western side of Salisbury Plain, at Biss Bottom, as the Biss Brook, and flows northwards passing Westbury towards Trowbridge. As it reaches Yarnbrook the brook becomes the River Biss.
The river enters the centre of Trowbridge from the south-east through the Biss Meadows Country Park. For an semi-urban location, the country park has a very rich variety of wildlife and includes areas of three UK Biodiversity Action Plan priority habitats ). Here the country park acts as an important flood plain as well as an amenity space. Passing through Biss Meadows it skirts round a pond (renovated in 2012 by the Friends), passes over a weir, skirts around the Tesco Extra car park (in 1993 the river was diverted here) and then flows under the County Way dual carriageway.
It then flows through the Town Park, where a small constituent lake is haunt to wildfowl, before passing behind shops and industrial buildings in a Riverside Walk which was opened in 1993 by the Duke of Edinburgh. The walk is now largely an overgrown tarmac path for which improvements have been suggested. Before leaving the centre of Trowbridge, the Biss flows under the Town Bridge in roughly the location of the original river crossing which gives the town its name; in this area the river is home to the yellow water lily known as "Brandy Bottle" after the shape of its fruit and its characteristic scent.
Although Trowbridge is a former woollen cloth manufacturing town, for which a supply of water is required, the Biss was never substantial enough to satisfy the demands of that industry. However, there was an attempt to supply the town; the Trowbridge Water Company was formed and piped water was turned on in the town on 30 September 1874. Supplies were inadequate, however, and the venture failed. The company had premises in Waterworks Road, now a residential area.
On leaving the town centre, the Biss continues northwards through the Ladydown area. It is crossed by the Kennet and Avon Canal at the Biss Aqueduct before flowing into the River Avon in Widbrook Wood, south of Staverton.
- Longstaff, John C. (1911). Notes on Wiltshire Names. Bradford on Avon: Library Press. p. 127.
- Bodman, James (1814). A Concise History of Trowbridge.
- "Victoria County History - Wiltshire - Vol 8 pp139-148 - Westbury: Introduction". British History Online. University of London. Retrieved 12 December 2015.
- "Ordnance Survey sheet ST85 (1958)". National Library of Scotland. Retrieved 12 December 2015.
- Baptist church
- "Biss Meadows Country Park".
- "Botanical Survey July 2010 - 2 page summary" (PDF).
- "Friends of Biss Meadows Country Park".
- Trowbridge Town Council & Environment Agency information board at Trowbridge Library
- "Project aims for river revamp, Wiltshire Times, 7th November 2007".
- "Use in Industry".
- "Trowbridge Water Company".