World River Registry

"where every current has a story"

Rivers Collected Mekong River Amazon River Nile River Jordan River Danube River Mississippi River Yangtze River Ganges River Congo River Paraná River Thames River Rhine River Urubamba River Magdalena River Orinoco River Caño Cristales Guaviare River Putumayo River Japurá River Cauca River Bita/Vita River Meta River Bogotá River Capibaribe River Sao Fransico River Rio Ariau  Rio Negro Iguazu River Farmington River Blue Nile River Kaduna River Densu River Orashi/Ulasi River Ogun River Njaba River Mesurado River Zambezi River Volta River Osun River Niger River Benue River Saint John River Saint Paul River Birim River Ofin River Pra River Lomami River Kasai River Sebou River Ruki River Yarlung Tsangpo Chao Phraya Huangpu River Tamsui River Pearl River Singapore River Bagmati River Sumida River Sea River Beijiang River Kamo River Yellow River Shirakawa River Seti River Ayung River Lhasa River Saigon River Brisbane River Spree River Elz River Calder River Kent River Seine River Neretva River Tagus River Akerselva River Tiber River Sava River Vistula River Var River Liffey River Dodder River Buffalo Bayou Ohio River Trinity River Miami River Snake River Napa River Potomac River Chattahoochee River L. Tennessee River Missouri River Sabine River Wolf River Neches River Illinois River Animas River Arkansas River Tennessee River Brazos River Hudson River Red River Russian River San Jacinto River Columbia River Colorado River (tx) Susquehanna River Stikine River Skeena River N. Thompson River Lillooet River L.W. Salmon River Fraser River Colorado River

1. WE COLLECT RIVERS

Our journey began with wanderlust and a quirky hobby - collecting rivers. Today, we're a company and a network of freelancers, united by our passion for rivers. We "collect" them for diverse reasons - travel, education, fun, and even to fund our work. This project ignited a fire in us to protect these vital waterways. We raise public awareness by showcasing our collection in schools and museums, and by creating unique river-themed art and gifts.

2. WE MIX RIVERS

Rivers merge naturally at confluences, forming sacred sites for many cultures, such as the Dakota people's reverence for the Mississippi-Minnesota confluence. We aim to capture a similar essence, creating "unnatural confluences" by mixing waters from rivers which won't meet, like the Nile and Amazon. This artistic endeavor challenges the boundaries of geography, sparking conversations about interconnectedness of all water.

Collection Overview

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Top 200 List
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Number of world’s longest rivers collected 

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River Blog

News

Portugal Flood Update: Mondego River Levels Rising in Coimbra, Montemor-o-Velho

Current monitoring shows water levels nearing bank-full at the Casais Bridge as of February 11, 2026. The sudden breach of a primary protective dyke has transformed local agricultural fields into an inland sea, cutting off the nation’s most vital transport artery and leaving residents wondering if the century-old flood defenses can withstand the next 24 hours.

Read More »

Collection map

Collection Videos

4 Recently Collected

1. Charles River (USA)
The Charles River, often simply called the Charles, is a prominent and highly significant waterway in eastern Massachusetts, flowing for approximately 129 kilometers (about 80 miles) from its source in Hopkinton to its mouth at Boston Harbor. As it winds through 23 towns and cities, the Charles forms a notable natural boundary between the cities of Boston and Cambridge, creating a broad, picturesque basin lined by the Charles River Esplanade. This vibrant area serves as a major hub for recreation, including rowing, sailing, kayaking, and biking along its parklands, and is famously home to the annual Head of the Charles Regatta.
Collected by: Jay Davis
2. Amstel River (The Netherlands)
The Amstel River is the famous Dutch waterway that gives Amsterdam its name (literally "Amstel dam"). Flowing for about 31 kilometers (or 19 miles), the river is integral to the city's character. It creates a beautiful main artery through the city center, lined with historic architecture and iconic crossings like the Magere Brug (Skinny Bridge), and is a popular site for boat tours and annual rowing events.
Collected by: Devin Isreal Smith
3. Douro River (Portugal)
The Douro River (pronounced: DOO-roh) is a major waterway of the Iberian Peninsula, flowing approximately 897 kilometers (557 miles) through northern Portugal to the Atlantic Ocean. It is integral to the character of the city of Porto, dividing it from Vila Nova de Gaia. The river's valley is a UNESCO World Heritage site and is world-famous for the production of Port wine, which was historically transported via distinctive rabelos (pronounced: ruh-BELL-oosh) boats. Today, the river is crossed by iconic bridges like the Ponte Dom Luís I and serves as a major site for scenic cruises.
Collected by: Devin Isreal Smith
4. Guadalupe River (USA)
The Guadalupe River of Texas The Guadalupe River (pronounced: gwah-dah-LOO-pay) is a popular and scenic Texas waterway, stretching approximately 230 miles from the Hill Country to the Gulf of Mexico. Named by Spanish explorers, the spring-fed river is a cultural artery for Central Texas, flowing past towns like New Braunfels and Gruene. Famous for its clear water and steep limestone bluffs lined with Bald Cypress trees, the river is a premier destination for outdoor recreation. It is celebrated nationwide for tubing, kayaking, and fly fishing, solidifying its reputation as a quintessential Texas Hill Country experience.
Collected by: Jay Davis

4 Coming Soon

1. Breë River (South Africa)
The Breë River is a significant waterway in South Africa, flowing through the Western Cape province. This river is known for its scenic beauty, supporting a diverse ecosystem that includes various bird species. The Breë River also plays a crucial role in the region's economy, providing opportunities for tourism, agriculture, and fishing.
Collected by: Jared Van Eck
2. Amu Darya (Turkmenistan)
The Amu Darya, a 2,540-kilometer-long river in Central Asia, flows through Afghanistan, Tajikistan, Uzbekistan, and Turkmenistan. Historically vital for agriculture and transportation, the river's intensive water use has led to severe environmental consequences, including the shrinking of the Aral Sea
Collected by: Batyr Nazargulyyev
3. Hari River (Turkmenistan)
The Hari River is a 1,100 km long river flowing from Afghanistan to Turkmenistan. It originates in the Hindu Kush mountains and disappears in the Karakum Desert. It's a vital water source for irrigation in the region.
Collected by: Batyr Nazargulyyev
4. Awash River (Ethopia)
The Awash River is the longest river entirely within Ethiopia, stretching approximately 1,200 kilometers. It originates in the Ethiopian Highlands and flows through the East African Rift Valley before terminating in Lake Abbe, a salt lake. The Awash River plays a crucial role in the country's economy and environment, supporting agriculture, hydropower generation, and various ecosystems.
Collected by: Aziz Ahmed

Rivers
Run Through Us All

Thousands of rivers, from grand to hidden, weave across our planet. To celebrate this diversity, we enlisted a global crew – folks from all walks of life, united by river love. Here are some heroes! Their efforts, and our dedication, led to the world's biggest river collection – a testament to teamwork and the magic of flowing water.

RHINE RIVER

DENSU RIVER

HUDSON RIVER

ZAMBEZI RIVER

CONGO RIVER

Themed Collections

Unleash your inner explorer in our river collection! Dive into themes like the “Top 200 Longest,” featuring water from legendary rivers like the Nile, the world’s undisputed champion. These themes make learning about rivers a blast, letting you engage with the entire collection in exciting new ways. All themes are just a tab away – explore below!

ABUJA'S RIVERS

Travelers, particularly Africa enthusiasts, might be surprised by a hidden world map in the streets of Abuja, Nigeria. Abuja’s affluent Maitama district boasts street names mirroring...

ANTIQUITY'S RIVERS

This collection isn’t just about the vastness of ancient Greco-Roman civilizations, it’s about the stories that flow beyond borders. We celebrate how seemingly...

RIVER WATERFALLS

Waterfalls stand as powerful testaments to Earth’s ever-changing story. They whisper secrets of the planet’s past and present, while leaving us breathless with their magnificence.

THE GIFT OF RIVERS

Pamela Michael is the editor of “The Gift of Rivers: True Stories of Life on the Water,” a collection of writings by distinguished and emerging authors examining the spiritual...

River Art

We’re always brainstorming fresh methods to use our river collection. Our goal? To reconnect people with nature and history through rivers, all while fostering community engagement. Here’s a peek at some art projects currently bubbling up!

BEIJIANG-SAN JACINTO RIVER MIX

Once upon a time, in the quiet town of Yingde, China, nestled among lush hills and ancient forests, there flowed a river named the Beijiang. Its waters whispered secrets to the bamboo groves...

CHAO PHRAYA-BUFFALO BAYOU RIVER MIX

Jack, an American tourist with a penchant for adventure and a love for spirits, stumbled through the bustling streets of Bangkok. The Chao Phraya River...

AMAZON-RIO NEGRO RIVER MIX

In the heart of the Amazon rainforest, where the mighty Amazon River and the mysterious Rio Negro converge, lies the bustling city of Manaus. Here, the waters dance—a mesmerizing...

NIGER-MISSISSIPPI RIVER MIX

Once upon a time, in the heart of Nigeria, there lived a spirited young girl named Adamma. Her eyes sparkled like the sun-kissed waters of the Niger River, and her heart beat in rhythm...

River Mixer Week Countdown

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"This was so nice to read about! I’m so happy we got connected then to share in our conservation passion! I think it’s so fantastic that you get to do this with your son too, it’s really building our future up right?"
“We see the river as a living entity that carries our ancestors, that carries their memories, as a metaphor for our history.”