Braunston Tunnel

Braunston Tunnel is on the Grand Union Canal about 830 yds (760 m) east of Braunston, Northamptonshire, England top lock. It is in the northern outskirts of Daventry, about 2 km east of the village of Braunston.

Braunston Tunnel
Eastern portal of the tunnel
Overview
LocationDaventry, Northamptonshire, England
Coordinates52.282915°N 1.172447°W / 52.282915; -1.172447
StatusOpen
WaterwayGrand Union Canal
Start52.284569°N 1.184721°W / 52.284569; -1.184721
End52.281272°N 1.157869°W / 52.281272; -1.157869
Operation
OwnerCanal & River Trust
Technical
Design engineerWilliam Jessop
Length2,042 yards (1,867.2 m)
Tunnel clearance3.76 metres (12.3 ft)
Width4.8 metres (15.7 ft)
TowpathNo
Boat-passableYes

Braunston Tunnel is 2,042 yards (1,867 m) in length.[1] Built by Jessop and Barnes, the tunnel has no towpath and is 4.8m wide by 3.76m high.[2]

It was opened in 1796. Its construction was delayed by soil movement and it was probably the resulting movement that led to the tunnel having a slight 'S' bend. There is room for two 7 ft (2.13 m) beam boats to pass.[3] There are three air shafts along its length.

The tunnel passes underground alongside another Grand Union Canal feature, Drayton Reservoir, from which the feeder enters the canal at the east end of the tunnel.

Features
View of the 2nd air shaft from inside Braunston Tunnel
Point Coordinates
(Links to map resources)		 OS Grid Ref Notes

a

Western portal 52.284569°N 1.184721°W / 52.284569; -1.184721 (Western portal) SP557654
Mid point 52.282915°N 1.172447°W / 52.282915; -1.172447 (Mid point)
Eastern portal 52.281272°N 1.157869°W / 52.281272; -1.157869 (Eastern portal) SP576652
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See also

References
  1. M. Pearson (2006). Pearson's Canal Companion Oxford & Grand Union ISBN 0-9549116-2-8
  2. Engineering Timelines (2007) "Archived copy". Archived from the original on 10 November 2006. Retrieved 29 December 2007.CS1 maint: archived copy as title (link)
  3. Nicholson (1983). Ordnance Survey Guide to the Waterways 1: South ISBN 0319 00347 7

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