New Mills is a town in the Borough of High Peak, Derbyshire, England, 8 miles south-east of Stockport and 13 miles from Manchester at the c…New Mills is a town in the Borough of High Peak, Derbyshire, England, 8 miles south-east of Stockport and 13 miles from Manchester at the confluence of the River Goyt and Sett. It is close to the border with Cheshire and above the Torrs, a 70 feet deep gorge cut through carboniferous sandstone, on the north-western edge of the Peak District National Park.