long, the River Frome rises in the grounds of Dodington Park in the Cotswolds of South Gloucestershire, flows through Chipping Sodbury in a north westerly direction through Yate, and is then joined by the Nibley brook on the left at Nibley.
From Damsons Bridge (Grid Reference ) to Snuff Mills () the river is navigable, but only by canoe (kayak) though some portaging may be required.