There is a total of 11158 clues beginning with ri
- River that feeds the Congo
- River that feeds the Missouri
- River that feeds the Severn
- River that feeds the Ubangi
- River that feeds Utah Lake
- River that flooded Florence in 1966
- River that flooded in Kansas
- River that flows by the Hermitage
- River that flows by the Hermitage Museum
- River that flows from a glacier in the Alps
- River that flows from the Bernese Alps
- River that flows into Rhine
- River that flows into the Bay of Bengal
- River that flows into the Caspian Sea
- River that flows into the Elbe
- River that flows into the Elbe
- River that flows into the Potomac
- River that flows into the Rhône
- River that flows into the Rhone
- River that flows into the Seine
- River that flows into the Seine
- River that flows into Winyah Bay
- River that flows out of Yellowstone National Park
- River that flows past four universities
- River that flows past more than 40 castles
- River that flows south to north
- River that flows through Berlin
- River that flows through Florence
- River that flows through Germany
- River that flows through Munich
- River that flows through or beside 10 countries
- River that flows through ten countries
- River that flows through Yakutsk
- River that flows to Khartoum
- River that flows to the Caspian Sea
- River that formed an extension of the Mason-Dixon line
- River that formed part of the border between East and West Germany
- River that forms at Pittsburgh
- River that forms Lake of the Ozarks
- River that forms part of Colombia's border
- River that forms part of Congo's border
- River that forms part of the border between Germany and Poland
- River that forms part of the England/Wales boundary
- River that forms part of the Poland-Germany border
- River that forms the Lake of Thun
- River that forms the Livingstone Falls
- River that gives Iberia its name
- River that goes from calm to choppy?
- River that Henry Miller likened to "a great artery running through the human body"
- River that joins the Colorado near Yuma
- River that joins the Fulda
- River that joins the Mississippi
- River that joins the Neisse
- River that joins the Osage
- River that joins the Seine
- River that joins the Severn
- River that joins the Trent
- River that Kazakhs call Zhayyq
- River that lends its name to an Austrian city
- River that meets the Colorado at Yuma
- River that meets the Thames at London
- River that named a world capital
- River that named Iberia
- River that once formed the western border of the Holy Roman Empire
- River that originates in Russia's Valdai Hills
- River that originates in the Ardennes Mountains
- River that passes by Essen, Germany
- River that passes by the Hermitage
- River that passes through Lake Geneva
- River that provides the largest inflow into the Mediterranean
- River that rises in Cantabria
- River that rises in French Flanders
- River that rises in Lake Tana
- River that rises in Monte Falterona
- River that rises in the Apennines
- River that rises in the Ardennes
- River that rises in the Bernese Alps
- River that rises in the Cairngorm Mountains
- River that rises in the Cantabrian Mountains
- River that rises in the Vogesen Mountains
- River that rises in the Vosges
- River that runs by 11 of the 20 largest cities in Russia
- River that runs by the Uffizi
- River that runs from Gloucestershire to Essex
- River that runs near the Leaning Tower of Pisa
- River that runs through 111-Across
- River that runs through 23-Across
- River that runs through 35-Across
- River that runs through 42-Across
- River that runs through 67-Across
- River that runs through 69-Across
- River that runs through 86-Across
- River that runs through 94-Across
- River that runs through Berlin
- River that runs through York
- River that separates North Korea and China
- River that Sherlock Holmes fell into
- River that sounds like a horse
- River that starts at Pico Tres Mares
- River that starts at Pittsburgh