The river rises at Mead End near Bowerchalke and flows 1.2 miles north through the Chalke Valley to join the Ebble at Mount Sorrel, just upstream of Broad Chalke. It provides a steady, year-round flow of water; above the junction the Ebble is a winterbourne.
- "Wiltshire Landscape Character Assessment - Chalk River Valley" (PDF). Wiltshire Council. 2005. Retrieved 27 August 2015.