The Huddersfield Broad Canal or Sir John Ramsden's Canal, is a wide-locked navigable canal in West Yorkshire in northern England. The waterway is 3.75 miles (6 km) long and has 9 wide locks. It follows the valley of the River Colne and connects the Calder and Hebble Navigation at Cooper Bridge junction with the Huddersfield Narrow Canal near Aspley Basin in Huddersfield.