The Tar Tunnel is located on the bank of the River Severn in Coalbrookdale near the village of Coalport and now forms part of the Ironbridge Gorge Museum Trust. The Severn bridges crossing near the mouth of the River Severn The River Severn (Welsh: Afon Hafren) is the longest British river, at 354 kilometres (219 miles) long; it rises at an altitude of 610 metres on Plynlimon near Llanidloes, in the Cambrian Mountains, Mid Wales, and it passes through... Map sources for Coalbrookdale at grid reference SJ668047 Coalbrookdale, a settlement in Ironbridge Gorge in Shropshire, England, was one of the birthplaces of the Industrial Revolution. ... Coalport is a village in Shropshire on the River Severn at grid reference SJ700021, shortly downstream of Ironbridge. ... The Ironbridge Gorge Museums are based in the Ironbridge Gorge at Ironbridge, Coalbrookdale on the River Severn in Shropshire, England, widely considered as the birthplace of the Industrial Revolution. ...
Miners struck a gushing spring of natural bitumen, a black treacle like substance, when digging the tunnel in 1787, probably in connection with the nearby coal workings. It was a great curiosity in the eighteenth century and bitumen still oozes from the wall today. Its chief commercial use was to treat ropes and caulk ships, but small amounts were processed and bottled as a remedy for rheumatism. Bitumen Bitumen is a category of organic liquids that are highly viscous, black, sticky and wholly soluble in carbon disulfide. ...
It has been suggested that this article or section be merged with The Iron Bridge. ... The Coalport Canal is a historic canal built to link several coalport industries with the River Severn. ... The Hay Inclined Plane is an example of a Canal inclined plane. ...