🌊 RiverGuess

Read a river's fact and identify which river it is from 4 options.

Rivers are the arteries of civilization. The Nile nurtured Ancient Egypt, the Amazon supports the world's largest rainforest, the Yangtze flows through China's industrial heartland. Rivers define borders, enable trade, and sustain life. Understanding them is understanding how human civilization developed.

RiverGuess tests your knowledge of 50 major rivers spanning every continent. Each question presents a fact — length, countries it flows through, a distinctive feature — and asks you to identify the river. From the Amazon (the largest by volume) to the Danube (flowing through 10 countries), each river has a story.

How to Play

• A river fact is displayed (length, countries, description)
• Choose the correct river name from 4 options
• 10 questions per round

Learning Tips

💡 The Nile (6,650km) and Amazon (6,400km) are the longest
💡 Rivers in the same continent share patterns
💡 Many rivers named after countries: Congo, Niger, Mekong
💡 European rivers are shorter but historically important

All 50 Rivers

River	Length (km)	Continent	Countries	Fact
Nile	6,650	Africa	Burundi, Rwanda, Tanzania, Kenya, Uganda, Democratic Republic of the Congo, South Sudan, Sudan, Ethiopia, Eritrea, Egypt	This river is widely considered the longest river in the world and flows northwards through northeast Africa.
Amazon	6,400	South America	Brazil, Peru, Colombia, Ecuador, Bolivia, Venezuela	This river is the largest in the world by discharge volume of water and flows through the largest rainforest on Earth.
Yangtze	6,300	Asia	China	The longest river in Asia, flowing entirely within one country from the Tibetan Plateau to the East China Sea.
Yenisei	5,539	Asia	Russia, Mongolia	The largest river system flowing into the Arctic Ocean, rising in Mongolia and flowing north through Siberia.
Yellow	5,464	Asia	China	Also known as the Huang He, it is called the cradle of Chinese civilization and is famous for its high sediment load.
Parana	4,880	South America	Brazil, Paraguay, Argentina	The second longest river in South America, forming a massive delta before merging into the Rio de la Plata.
Congo	4,700	Africa	Democratic Republic of the Congo, Republic of the Congo, Central African Republic, Angola, Tanzania, Cameroon, Zambia, Burundi, Rwanda	The deepest recorded river in the world, and the only major river to cross the equator twice.
Mekong	4,350	Asia	China, Myanmar, Laos, Thailand, Cambodia, Vietnam	This transboundary Southeast Asian river is a crucial source of fish and irrigation, flowing through six countries.
Lena	4,294	Asia	Russia	The easternmost of the three great Siberian rivers, famous for its dramatic rock formations called the Lena Pillars.
Niger	4,180	Africa	Guinea, Mali, Niger, Benin, Nigeria	The principal river of West Africa, featuring a unique inland delta where its flow slows down in the Sahara desert.
Missouri	3,767	North America	United States	The longest river in North America, flowing from the Rocky Mountains to join the Mississippi River near St. Louis.
Mississippi	3,730	North America	United States	This massive North American river flows entirely in the United States and has a drainage basin that covers parts of 31 US states.
Ob	3,650	Asia	Russia, Kazakhstan, China, Mongolia	This major Siberian river forms a massive estuary, the Gulf of Ob, which is the longest estuary in the world.
Volga	3,530	Europe	Russia	The longest river in Europe, flowing through western Russia and empties into the Caspian Sea.
Yukon	3,190	North America	Canada, United States	Famous for the late 19th-century gold rush, this river flows from British Columbia through Alaska to the Bering Sea.
Indus	3,180	Asia	China, India, Pakistan	A critical water source for Pakistan, this river was home to one of the world's earliest urban civilizations.
Rio Grande	3,051	North America	United States, Mexico	This river forms a long segment of the international border between the United States and Mexico.
Brahmaputra	2,900	Asia	China, India, Bangladesh	Originating in Tibet, this river runs through the Himalayas and joins the Ganges to form the world's largest delta.
Danube	2,850	Europe	Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, Ukraine	Europe's second-longest river, famous for flowing through or bordering ten different countries and four capital cities.
Amur	2,824	Asia	Russia, China, Mongolia	This river forms a long natural border between the Russian Far East and Northeastern China.
Salween	2,815	Asia	China, Myanmar, Thailand	A free-flowing river of Southeast Asia, running through steep canyons parallel to the Mekong before emptying into the Andaman Sea.
Euphrates	2,800	Asia	Turkey, Syria, Iraq	The longest and historically most important river of Western Asia, defining the western boundary of Mesopotamia.
Zambezi	2,574	Africa	Zambia, Angola, Namibia, Botswana, Zimbabwe, Mozambique	The fourth-longest river in Africa, famous for forming the spectacular Victoria Falls.
Amu Darya	2,540	Asia	Tajikistan, Afghanistan, Uzbekistan, Turkmenistan	Historically known as the Oxus, this major river of Central Asia historically emptied into the shrinking Aral Sea.
Ganges	2,525	Asia	India, Bangladesh	Flowing through India and Bangladesh, this river is considered deeply sacred to Hindus and is one of the most populated river basins.
Murray	2,508	Oceania	Australia	The longest river in Australia, forming the border between New South Wales and Victoria.
Ural	2,428	Europe	Russia, Kazakhstan	Historically known as the Yaik, this river is traditionally considered the boundary between Europe and Asia.
Arkansas	2,364	North America	United States	A major tributary of the Mississippi, flowing east from the Rocky Mountains in Colorado through Kansas, Oklahoma, and Arkansas.
Colorado	2,330	North America	United States, Mexico	This iconic river in the American Southwest is famous for carving the Grand Canyon.
Irrawaddy	2,288	Asia	Myanmar	The longest river in Myanmar and its most important commercial waterway, flowing entirely within the country's borders.
Syr Darya	2,212	Asia	Kyrgyzstan, Uzbekistan, Tajikistan, Kazakhstan	Historically known as the Jaxartes, this Central Asian river flows through the Fergana Valley into the northern Aral Sea.
Orange	2,200	Africa	Lesotho, South Africa, Namibia	The longest river in South Africa, named in honor of the Dutch ruling family.
Dnieper	2,200	Europe	Russia, Belarus, Ukraine	A major river of Eastern Europe, flowing through Kyiv and playing a crucial role in Ukraine's economy.
Tarim	2,030	Asia	China	The principal river of the Xinjiang region in China, flowing through the extremely arid Taklamakan Desert.
Columbia	2,000	North America	Canada, United States	The largest river in the Pacific Northwest region, famous for its massive hydroelectric power production.
Don	1,870	Europe	Russia	One of the major rivers of Russia, curving close to the Volga near Volgograd and emptying into the Sea of Azov.
Tigris	1,850	Asia	Turkey, Syria, Iraq	One of the two great rivers defining Mesopotamia, flowing south from the mountains of Turkey through Iraq.
Limpopo	1,750	Africa	South Africa, Botswana, Zimbabwe, Mozambique	This southern African river flows in a spiral path and is famously described as 'grey-green, greasy' by Rudyard Kipling.
Mackenzie	1,738	North America	Canada	The longest river system in Canada, flowing through the vast and sparsely populated Northwest Territories into the Arctic Ocean.
Ohio	1,579	North America	United States	A major river of the midwestern United States, formed by the confluence of the Allegheny and Monongahela rivers at Pittsburgh.
Darling	1,472	Oceania	Australia	The third-longest river in Australia, joining the Murray River at Wentworth, New South Wales.
Rhine	1,230	Europe	Switzerland, Liechtenstein, Austria, Germany, France, Netherlands	An economically vital European river flowing from the Swiss Alps through Germany to the North Sea.
St. Lawrence	1,197	North America	Canada, United States	Connecting the Great Lakes to the Atlantic Ocean, this river forms a primary drainage gateway of North America.
Senegal	1,086	Africa	Guinea, Mali, Mauritania, Senegal	This West African river forms the border between Senegal and Mauritania and has its source in the Fouta Djallon.
Tennessee	1,049	North America	United States	The largest tributary of the Ohio River, heavily managed by the Tennessee Valley Authority (TVA) dams.
Rhone	813	Europe	Switzerland, France	This river rises in the Swiss Alps, flows through Lake Geneva, and runs south through France to the Mediterranean Sea.
Seine	777	Europe	France	Famous for flowing directly through the heart of Paris, this river is a UNESCO World Heritage site along its banks.
Potomac	652	North America	United States	Known as the 'Nation's River', it flows into the Chesapeake Bay and runs directly past Washington, D.C.
Hudson	507	North America	United States	This scenic river flows through eastern New York State, forming the boundary between New York and New Jersey at its mouth.
Thames	346	Europe	United Kingdom	The longest river entirely in England, flowing through London and emptying into the North Sea.