Blisworth Tunnel sections lined with pre-cast concrete rings. It was also used to test out the materials that were later used on the Channel Tunnel. An unused ring is on display near the south portal. 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
English Canal Year's Eve 1867 which marked the end of the project. In 1884-1888 a railway was built all the way between Gällivare and Luleå, the Iron Ore Line. Remains of the canal project can still be seen on several places in Norrbotten and Swedish Lapland, for example in Boden. These remains are sometimes called "Engelska graven", which is a play on the Swedish word "grav" which can mean both "ditch"/"trench" and "grave/"tomb". English Canal The English Canal () was a planned and partially completed canal project that would connect the Swedish iron ore fields around Kiruna and Gällivare with Luleå and