Prime Rivers beginning with O (Great Britain)
Beginning with: A B C D E F G H I J K L M N O P R S T U V W YRivers on this page: River of Wester | River Ogmore,Afon Ogwr,Ogwr Fach | Afon Ogwen | Oldany River | Oldfleet Drain | Orby Drain | Ormsary Water,Abhainn Mhor | River Orwell | Allt Osda | River Otter,Devon | River Ouse | River Ouse |
Beginning with: A B C D E F G H I J K L M N O P R S T U V W Y
Compiled by Roger Cornfoot and derek menzies