HOLMFIRTH, an urban district of the West Riding of Yorkshire, England, 6 m. S. of Huddersfield, on the L.M.S. rail way. Pop. (1931), 10,407. It is situated in the narrow, steep sided valley of the river Holme, a tributary of the Colne, and is walled in by moorland country. The people are employed in woollen manufactories and in the neighbouring stone quarries.