River Mole earth, about a mile from "Darking" in "Surrey", and after some two miles sees the light againe, which to be certaine hath been affirmed by Inhabitants thereabout reporting triall made of it. John Milton (c. 1562–1647) described the river as In a similar vein, Alexander Pope (1688–1744) wrote in his poem "Windsor Forest" (first published 1713) Robert Bloomfield (1766–1823) writes the following lines about the Mole Valley in his 1806 poem "Wild Flowers". Extract from "The River Mole or Emlyn Stream" by Mary Drinkwater Bethune, which was published in 1839. The major tributaries of the River Mole are the Ifield
Sutton and Mole Valley lines the landowner, Thomas Grissell, meant that vertical ventillation shafts could not be constructed and the tunnel portals were given lavish architectural treatment. Betchworth Tunnel is south of Dorking. It is long with a maximum gradient of 1 in 80 (1.25 per cent). It runs through the upper greensand of the Deepdene Ridge to the east of the town. Construction difficulties delayed the opening south of Dorking. It collapsed on 27 July 1887, remaining closed for over six months. Sutton and Mole Valley lines The Sutton and Mole Valley lines were constructed between 1847 and 1868 by the London, Brighton and