PENTRICH, a parish in the hundred of MORLESTON-and-LITCHURCH, county of DERBY, comprising the townships of Pentrich and Ripley, and containing 2143 inhabitants, of which number, 508 are in the township of Pentrich, 2 miles (S/'w. by S.) from.Alfreton. The living is a discharged vicarage, in the archdeaconry of Derby, and diocese of Lichfield and Coventry, rated in the king's books at £ 6, endowed with £ 600 royal bounty, and £1000 parliamentary grant, and in the patronage of the Duke of Devonshire. The church is dedicated to St. Matthew. There are places of worship for Independents and Unitarians. The parish is bounded on the west by the river Amber. The population .of the township of Pentrich has decreased one-third since the disturbances which broke out there in 1817, when the agents of the Duke of Devonshire razed many of the houses toj the ground. It had anciently a market and two fairs; the latter are still held on the Wednesday in Easter-week and October 23rd. At Butterley are iron-works, established about 1793, underneath which the Cromford canal is conducted through a tunnel two thousand nine hundred and sixty-six yards in length; and in the neighbourhood is the reservoir of the Nottingham canal, covering an extent of many acres. There are also considerable coal and iron-stone works in the parish. A National school, erected by the Duke of Devonshire in 1819, is supported by voluntary contributions. The Romans had a camp on the adjoining common, near which passed the Iknield-street.