From Digley Reservoir, the river flows north-east through
Holmbridge and
Holmfirth. It flows
NNE to
Thongsbridge and
Brockholes then north to reach
Honley,
Berry Brow and
Lockwood. It wends northwards and joins the
Colne (one of five rivers of that name) just south of
Huddersfield town centre at Folly Hall. The
Environment Agency has a gauging station at Queen's Mill in Huddersfield where the record average monthly levels are , versus . The record high is , in 2011.
Flooding The river was prone to flooding, the earliest recorded in 1738. In 1840 the dam of Bilberry Reservoir was built over a stream, but the work had not been done properly and the stream not correctly redirected. Thus in February 1852, the reservoir broke its confines and flooded the valley as far as Holmfirth. It caused 81 deaths and the destruction of many homes and businesses. ==Geography==