Selby coalfield (also known as the Selby complex, or Selby 'superpit') was a large scale deep underground mine complex based around Selby, North Yorkshire, England, with pitheads at Wistow Mine, Stillingfleet Mine, Riccall Mine, North Selby Mine, Whitemoor Mine and at Gascoigne Wood Mine; all coal was brought to the surface and treated at Gascoigne Wood, being distributed onwards by rail.