The river (and/or land on its banks) is designated as a Site of Special Scientific Interest (SSSI), a European Special Area of Conservation, and an Area of Outstanding Natural Beauty. A part of it is also designated as a See more

The total length of the tidal river (which, like other tidal waters in England, has public right of navigation) is 19.2 miles (30.9 km). The normal tidal limit (noted on Ordnance Survey maps … See more

Rocks around the edge of Dartmoor were mineralised by fluids driven by the heat of the Earth's core, which gave rise to ores containing tin, copper, tungsten, lead and other minerals in the … See more

• Cornwall portal
• List of rivers of England
• HMS Tamar, 6 RN vessels and a shore base have been named after the river
• Tamar Site, an area in Hong Kong named after the fourth HMS Tamar See more

Sources
According to Ordnance Survey mapping, the source of the Tamar is at Woolley Moor, approximately … See more

In 997 according to the Anglo-Saxon Chronicle, raiding Vikings travelled up the Tamar and then the Tavy river as far as Lydford, and burned Ordwulf's monastery at See more

The Alliterative Morte Arthure states that the mortal combat of King Arthur and Mordred took place close to the banks of the river.
A traditional Cornish tale claims that the devil would never dare to cross the River Tamar into … See more