Blisworth Tunnel Blisworth Tunnel Blisworth Tunnel is a canal tunnel on the Grand Union Canal in Northamptonshire, England, between the villages of Stoke Bruerne at the southern end and Blisworth at the northern end. The northern end is about from the northern end of the Grand Junction Canal at Braunston, Northamptonshire and the southern end about . At 3,076 yards (2,813m) long it is the third-longest navigable canal tunnel on the UK canal network after Standedge Tunnel and Dudley Tunnel (and the ninth-longest canal tunnel in the world). At its deepest point it is "ca."143 feet ("ca."43m) below ground level. The tunnel
Stoke Bruerne public footpaths cross the area around Stoke Bruerne. One such walk, taking in Grafton Regis, was the subject of a "Daily Telegraph" article. Other walks in and around Northampton are mentioned in the County Council Right of way site. The village is home to one of the three museums owned and run by Canal & River Trust. The others are at Ellesmere Port and Gloucester Docks. About half a mile north of the village is the south portal of Blisworth tunnel - accessible by a walk along the old towpath (on the eastern side of the canal - north of