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Coordinates: 50°27′51″N 4°09′02″W / 50.4643°N 4.1506°W / 50.4643; -4.1506

The dam, or weir, at Lopwell

Lopwell is a site of natural beauty situated at the normal tidal limit of the River Tavy, 3 miles from north Plymouth and 7 miles from Tavistock, Devon, England.

Lopwell Dam is a Local Nature Reserve consisting of several different habitats including saltmarsh, freshwater marsh and ancient semi-natural woodland. Mammals include roe deer, otters and Atlantic grey seals.[1][2] The area forms part of the Tamar–Tavy Estuary Site of Special Scientific Interest[3]


  1. ^ "Lopwell Dam". Local Nature Reserves. Natural England.
  2. ^ "Map of Lopwell Dam". Local Nature Reserves. Natural England.
  3. ^ "Tamar–Tavy Estuary citation" (PDF). Natural England. 1991. Retrieved 10 November 2011.