Number of rivers collected and celebrated
Number of people who have collected rivers
Number of countries represented in the collection
Number of world’s longest rivers collected
Length of rivers collected if considered one channel
Total stored volume of all rivers in the collection
I am completely blown away by this gorgeous, powerful, incredibly cool (!!!) song inspired by my book… It captures the essence of the story so beautifully.”
Candice Millard, New York Times bestselling author of River of the Gods





Current monitoring shows water levels nearing bank-full at the Babahoyo-Daule confluence as of March 9, 2026. While the coastal lowlands are accustomed to seasonal rains, the current synchronization of high-tide resistance and record-breaking upstream discharge is creating a dangerous bottleneck that threatens to submerge key transit corridors and agricultural heartlands.

Rivers are the plumbing of the planet. The International Day of Action for Rivers is the annual audit of this global infrastructure. Learn the mechanics of river health and the data behind the flow.

Current monitoring shows water levels nearing bank-full at the Museum Hill Bridge and along the Mathare River valley as of March 7, 2026. While the heavy overnight downpour of nearly 100mm has begun to subside, the saturation of urban riparian zones has left thousands of residents in informal settlements and high-traffic corridors facing unprecedented risks from surging tributaries.
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!
Embark on a journey with the world’s rivers, starting with the top 200 longest. Explore their ecosystems, histories… (continue reading)
Many reputable organizations have published lists of rivers considered sacred in various cultures. While we at River Mixer believe all rivers hold significance, some undoubtedly inspire deep devotion due to their cultural and religious importance… (continue reading)
Inspired by Langston Hughes’ powerful poem, “The Negro Speaks of Rivers,” this collection brings together water from the Euphrates, Congo, Nile, and Mississippi. Hughes’ poem, written at just seventeen, explores the deep connection… (continue reading)
The Tibetan Plateau, often referred to as the “Roof of the World,” serves as the geographical and historical wellspring for many of Asia’s most vital rivers. The Brahmaputra, Yangtze, Yellow, Mekong, Salween, Indus, Satluj, Syr Darya, Amu Darya, Gange.,. (continue reading)
This collection wouldn’t be complete without highlighting the extraordinary feat of the Grand Canal…. (continue reading)
This collection celebrates rivers that hold unique titles. Take the Yarlung Tsangpo River, for example. Flowing at a staggering 5,210 meters (17,090 feet) above sea level,… (continue reading)
The National Wild and Scenic Rivers System, established in 1968, recognizes the invaluable heritage of select rivers. These rivers boast outstanding ecological, cultural, and recreational… (continue reading)
Many rivers face serious threats. In 2007, the World Wildlife Fund (WWF) identified “10 Rivers Most at Risk” based on key dangers: dams and infrastructure, water overuse, climate change, invasive species, overfishing, and pollution… (continue reading)
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!
A collection of short stories inspired by actual and fictitious river confluences, each complemented by stunning black and white pencil sketch images. All of the rivers mentioned in each narrative are part of our river collection.
In this mesmerizing series, we masterfully weave together the essence of multiple rivers, transcending mere representation and delving into the realm of symbolism. Each canvas becomes a harmonious tapestry where rivers… (continue reading)
A collection that explores a series of two-character plays, each character symbolically represented by a river. These rivers flow through the narratives, carrying emotions, secrets, and conflicts.
At present, each river is stored in a brown plastic lab bottle, which serves well for preservation but fails to accentuate the distinctive features of each river. To address this, we are partnering with local potter Amy Lancaster from Oak Knoll Pottery to craft ceramic vessels specifically for each river. Our “River Navigator Vessels” will function as permanent storage vessels for the lab bottles. Keep a look out for additional developments.