31. There are four tunnels running through the hills at this point, as the canal tunnel is paralleled by three railway tunnels. 32. Along with Butterley Works blast furnaces, part of the canal tunnel and its underground wharf were declared a scheduled monument in 2013. 33. It is most famous for Sapperton canal tunnel and its connection with the Cotswold Arts and Crafts Movement in the early 20th century. 34. In the late 18th century a canal tunnel was built on the Arun Navigation to avoid a large loop of the River Arun. 35. Other abandoned tunnels hidden for decades have recently been discovered including a 460-metre canal tunnel from the River Irwell to the canal system 36. It was Europe's first navigable canal tunnel and a monument to the determination of Pierre-Paul Riquet, the chief engineer. 37. The canal tunnel is located between sluice 14 to Chalifert and sluice 13 to Lesches-Coupvray and has a length of 300 meters. 38. The GWR built north of the village, above the canal tunnel ; British Railways closed it in 1966 but the line remains in use. 39. It opened in 1811 and is the longest and oldest of the four and is the longest and highest canal tunnel in the United Kingdom. 40. "' Auburn Tunnel "'was a 19th-century canal tunnel built for the Schuylkill Canal, near Auburn, Pennsylvania.
