The Tavy (/ˈteɪvi/) is a river on Dartmoor, Devon, England. The name derives from the Brythonic root "Tam", once thought to mean 'dark' but now generally understood to mean 'to flow'.[1] 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:
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At Tavistock it feeds a canal running to Morwellham Quay.
Its mouth is crossed by the Tavy Bridge which carries the Tamar Valley railway line.
The river is navigable inland as far as Lopwell, where a weir marks the normal tidal limit, about a 9-mile (14 km) journey from North Corner Quay at Devonport.[2] River transport was an important feature of the local farming, mining, tourism and forestry economies.[3][4]
The Queen's Harbour Master for Plymouth[5] is responsible for managing navigation on the River Tavy up to the normal tidal limit.[6]
50°28′N 4°09′W / 50.467°N 4.150°W