Narrow-gauge railways were used extensively in the slate industry of Great Britain, especially in Wales. Many quarries had internal tramways, some using many dozens of miles of track. Others had private lines that stretched from the quarry to transhipment points on local railways, rivers, roads or coastal ports.
<Gallery> File:Kimberley incline in Honister mine.jpg|Underground incline at Honister slate mine File:Slate quarrying in the Lakes - geograph.org.uk - 27543.jpg|Burlington slate quarry File:Isle of Seil - Ellenabeich 06.JPG|Slate loading jetty on Seil File:Delabole slate quarry.jpg|Delabole slate quarry </Gallery>