Belper is a town and civil parish in the local government district of Amber Valley in Derbyshire, England, located about 7 miles north of Derby o…Belper is a town and civil parish in the local government district of Amber Valley in Derbyshire, England, located about 7 miles north of Derby on the River Derwent. Along with Belper, the parish includes the village of Milford and the hamlets of Bargate, Blackbrook, and Makeney.