ALL THEMES

Discover a curated collection of rivers, organized by theme. Each collection is either complete or a work in progress. If you’d like to contribute to a specific theme and help us finish it, please reach out.

TOP 200 LIST

Embark on a journey with the world’s rivers, starting with the top 200 longest. Explore their ecosystems, histories, and the vital role they play in our planet. Discover hidden wonders and learn about the challenges they face.
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VULNERABLE RIVERS

Many rivers face serious threats. In 2007, the World Wildlife Fund (WWF) identified “10 Rivers Most at Risk”. Dams, water overuse, climate change, invasive species, overfishing, and pollution endanger ecosystems and communities.
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TIBETIAN PLATEAU

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, an area which collectively support billions of people across Asia.
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RIVERS OF CLASSICAL ANTIQUITY

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 unconnected nations might share cultural legacies, often with rivers playing a starring role.
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WORLD RECORDS

This collection celebrates rivers that hold unique titles. Take the Yarlung Tsangpo River, for example. Flowing at a staggering 5,210 meters above sea level, it’s recognized as the world’s highest river.
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GRAND CANAL OF CHINA

This collection wouldn’t be complete without highlighting the extraordinary feat of the Grand Canal. As the world’s longest man-made waterway, the Grand Canal stretches an impressive 1,776 kilometers across four provinces. Dating back 2,500 years, construction began on sections of the canal as early as 500 BC.
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SCARED RIVERS

The concept of a sacred river is deeply personal. We appreciate the exploration of this topic and dedicate this collection to the diverse ways rivers are revered around the world. Many reputable groups have published lists of rivers considered sacred.
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LANGSTON'S RIVERS

Inspired by Langston Hughes’ poem, “The Negro Speaks of Rivers,” this collection brings together water from the Euphrates, Congo, Nile, and Mississippi. Hughes’ poem explores the deep connection between rivers and civilization.
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ABUJA'S RIVER STREETS

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 some of the world’s most iconic rivers.
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NATIONAL WILD & SCENIC RIVERS

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 significance, and their protection ensures their stories are carried forward.
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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.
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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, practical, and historical significance of rivers. Our collection includes all seventeen rivers referenced in her book published by Travelers’ Tales.
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More from River Mixer

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News

Northwest Morocco Flood Update: Loukkos and Sebou River Levels Rising in Ksar El Kebir, Sidi Kacem

Current monitoring shows water levels nearing bank-full at the Oued El Makhazine Dam and the Loukkos River basin as of February 2, 2026. While the massive influx of water has effectively ended a seven-year regional drought, the sudden saturation of the Loukkos and Sebou floodplains has left thousands of residents and critical agricultural hubs underwater—leaving many to wonder if the current drainage infrastructure can withstand the next wave of Atlantic storms.

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Kuba Sheppard February 2, 2026
History

Sidi Mubarak Bombay: 10 Facts About the River King Who Led a Lost John Hanning Speke to the Source of the Nile

While the history books obsession over ink-on-paper maps, the true story of the Nile was written in silt and cedar. Behind every ‘discovery’ claimed by the Victorian elite was Sidi Mubarak Bombay, a man who translated the roar of the rapids into a path forward. It’s time to look past the brass compasses and see the man who actually held the paddle.

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News

Spain Flooding Emergency: Hozgarganta River Levels Rising in Jimena de la Frontera, Andalusia

Current monitoring shows water levels at the Hozgarganta River significantly overtopping banks at the Puente de la Pasada de Alcalá as of January 28, 2026. While the heavy rainfall from Storm Joseph begins to transition, the sudden surge has trapped residents in the low-lying Campo de Gibraltar region, leaving many to wonder if the crest has truly passed or if the merging of nearby Atlantic fronts will trigger a second wave of flooding

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Kuba Sheppard January 29, 2026
Outdoors

The River Mixer’s Guide to River Figures: Defining the Explorers, Protectors, Challengers, Storytellers, and Locals

Most people see the river as a backdrop, but to a River Mixer, it’s a physical system of moving parts. Whether it’s a navigator pushing a hull into an unmapped tributary or a protector anchoring a trash boom against the current, every person on the water fits into a specific role. This is a breakdown of the five archetypes shaping our waterways—the explorers, protectors, and locals who know the river better than anyone else.

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Kuba Sheppard January 25, 2026

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