River Rhone Dordogne River River Rhine Loire River
River Dnieper Vardar River River Po Dordogne River
River Towy River Taff River Usk River Dee
River Ouse River Thames River Severn River Trent
River Forth River Clyde River Spey River Tay
Clyde Spey Forth Tay
River Vistula River Oder River Sanna River Wilga