 
 Tamar
The Tamar (; Cornish: Dowr Tamar) is a river in south west England, that forms most of the border between Devon (to the east) and Cornwall (to the west).
 
 The Tamar (; Cornish: Dowr Tamar) is a river in south west England, that forms most of the border between Devon (to the east) and Cornwall (to the west).