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
Paw Paw Tunnel Paw Paw Tunnel The Paw Paw Tunnel is a canal tunnel on the Chesapeake and Ohio Canal (C&O) in Allegany County, Maryland. Located near Paw Paw, West Virginia, it was built to bypass the Paw Paw Bends, a stretch of the Potomac River containing five horseshoe-shaped bends. The town, the bends, and the tunnel take their name from the pawpaw trees that grow prolifically along nearby ridges. Built using more than six million bricks, the tunnel has been described as "the greatest engineering marvel along the Chesapeake & Ohio Canal National Historical Park." Located at milepost 155.2, the tunnel served