River Tavy
（重定向自Tavy）
![The Tavy above Tavistock, on the moor](/Images/godic/202502/15/RiverTavy4543.jpg")
![Lopwell weir, highest point of navigation](/Images/godic/202502/15/Lopwell_Dam_on_the_River_Tavy_-_geograph.org.uk_-_15333524543.jpg")
![Kayaking on the Tavy.](/Images/godic/202502/15/River_Tavy_-_geograph.org.uk_-_6988524543.jpg")
The Tavy is a river on Dartmoor, Devon, England. The name derives from the Brythonic root "Taff", the original meaning of which has now been lost. It has given its name to the town of Tavistock and the villages of Mary Tavy and Peter Tavy. It is a tributary of the River Tamar and has as its own tributaries: