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
Stickpile Tunnel 1975 and the rail line was abandoned that same year. Green Ridge, West Virginia, an abandoned railroad town, was located near the western portal of the tunnel, across the Potomac River. The National Park Service acquired the tunnel and adjacent portions of the WM right of way in 1980. The site is part of Chesapeake and Ohio Canal National Historical Park. Stickpile Tunnel Stickpile Tunnel, also known as Greenridge Tunnel, is an abandoned railroad tunnel in Allegany County, Maryland, located about southwest of Little Orleans. It was built by the Western Maryland Railway (WM) in 1906. It was constructed with