The River Avill is a small river on Exmoor in Somerset, England, ending up in the Avill Relief channel.
Grid Ref ST 00559 44492
Postcode TA24 6TH
It rises on the eastern slopes of Dunkery Beacon and flows north through Timberscombe and Dunster flowing into the Bristol Channel at Dunster Beach. It runs South-West of Minehead and North of Taunton.
Near to Dunster Beach, the stream is crossed by a bridge on the West Somerset Railway.
The river was part of the inspiration for the hymn All Things Bright and Beautiful.