Belper North Mill, also known as Strutt's North Mill in Belper, is one of the Derwent Valley Mills, given UNESCO World Heritage Status in 2001.The mill is sited in Belper, a town in Derbyshire, England, roughly halfway between Derby and Matlock.The original North Mill, completed in 1786 by Jedediah Strutt, was destroyed by fire in 1803.