GLOSSOP, market town, municipal borough, High Peak par liamentary division, Derbyshire, England, 13 m. E. of Manchester by the L.N.E. railway. Pop. (1931) 19,51o. It is the chief seat of the cotton manufacture in Derbyshire, and has also woollen and paper mills, dye, print and bleaching works. The town consists of three main divisions, the Old Town (or Glossop proper), Howard Town (or Glossop Dale) and Mill Town. An older parish church was replaced by that of All Saints in 183o. In the neighbourhood is Glossop hall, the seat of Lord Howard, lord of the manor. On a hill near the town is Melandra castle, the site of a Roman fort guarding Longdendale and the way into the hills of the Peak District. To the north, in Longdendale, there are five reservoirs belonging to the water-supply system of Manchester, formed by damming the Etherow, a stream which descends from the high moors north-east of Glossop. Area, 3,052 acres. Glossop was granted by Henry I. to William Peverel but later it reverted to the crown.