New Mills is a town in Derbyshire, England, approximately 8 miles (13 km) south-east of Stockport and 15 miles (24 km) from Manchester. It lies at the confluence of the rivers Goyt and Sett, close to the border of Cheshire. The town stands above the Torrs, a 70 feet (21 m) deep gorge, cut through Woodhead Hill Sandstone of the Carboniferous period. It is on the north-western edge of the Peak District, England's first national park. It has a population of approximately 10,000. New Mills can refer to the built-up area that includes Newtown and Low Leighton, or the civil parish that includes the villages and hamlets of Whitle, Thornsett, Hague Bar, Rowarth, Brookbottom, Gowhole, and most of Birch Vale.