There is a total of 11158 clues beginning with ri
- River of the Eternal City
- River of the Fertile Crescent
- River of the Great Falls
- River of the Great Falls
- River of the Korean War
- River of the Left Bank
- River of the Left Bank
- River of the Lorelei
- River of the Lorelei
- River of the Low Countries
- River of the lower world
- River of the lowest regions
- River of the movies
- River of the Northwest
- River of the Northwest
- River of the Old World
- River of the Pont Neuf
- River of the Ponte Vecchio
- River of the Punjab
- River of the Pyrenees
- River of the Roosevelt Dam
- River of the Rove Tunnel
- River of the Shoshone Falls
- River of the South
- River of the Southwest
- River of the Southwest
- River of the Ukraine
- River of the Ukraine
- River of the underworld
- River of the underworld, in myth
- River of the wetbacks
- River of the Yukon
- River of Thrace
- River of Tibet, Kashmir and Pakistan
- River of Tiny Tim's town
- River of Tours
- River of Troyes
- River of Turkey
- River of Tuscany
- River of Tuscany
- River of Twin Falls
- River of two colors
- River of U S–Canada border
- River of Ukraine
- River of Ukraine
- River of Venetia, Italy
- River of Venetia
- River of Venezuela
- River of Venezuela
- River of Victoria Falls
- River of Vietnam
- River of Virginia, 450 miles to Chesapeake Bay
- River of Virginia
- River of W W I
- River of WW I
- River of WW I battle
- River of WW I note
- River of Wagner's "Ring"
- River of Wales
- River of Wales and England
- River of Wales
- River of west Africa
- River of West Africa
- River of western China
- River of Western Europe
- River of western Germany
- River of western Russia
- River of Westphalia
- River of Whirlpool Rapids
- River of Wien
- River of Wilson Dam
- River of Woe
- River of woe, in Greek myth
- River of Wroclaw
- River of Xanadu
- River of Xanadu
- River of Yakut
- River of Yakutsk
- River of Yakutsk
- River of York
- River of Yorkshire
- River of Yorkshire
- River of Yugoslavia
- River of Yugoslavia
- River of Yuma and Phoenix
- River of Zaire
- River of Zaragoza
- River offshoot
- River often paired with the Euphrates
- River on Argentine border
- River on Balkan invasion route
- River on Brazil's border
- River on Brazilian border
- River on Germany's eastern border
- River on Korea's northern border
- River on Manchurian border
- River on N boundary of Manchuria
- River on north boundary of Manchuria
- River on Paraguay's border
- River on Paraguay's boundary