The Colorado River Is Not What You Think

The Colorado River carved the Grand Canyon and waters 40 million people. Most years, it never reaches the sea. A river that stole its name, filled a sea by accident, flows through a tunnel under the Rockies — and is running out. 0:00 The river that never arrives 1:00 The river that stole a name 2:21 The canyon and the boat trip nobody believed 4:00 A promise made in a wet year 5:30 The dam, the lake and the town that came back 7:07 The year the river almost won 9:04 The accidental sea 10:25 The river that flows uphill, and east 11:48 Where the water actually goes 12:53 The delta that disappeared 14:17 Running out of river 15:34 What the Colorado really is SOURCES U.S. Bureau of Reclamation — Post-2026 Colorado River Reservoir Operations, Final EIS (July 2026); Glen Canyon Dam 1983 spillway report NASA Earth Observatory — "Lake Powell Drops to Record-Low Levels" (Sept 2026); "Lake Mead Keeps Dropping" (2022); "A River Renewed" (2014); "A Pulse of New Life on the Colorado River" (2014) National Park Service — Grand Canyon NP, Lake Mead NRA (St. Thomas), Glen Canyon NRA USGS — Grand Canyon geology; Colorado River streamflow Colorado River Compact (1922); U.S.–Mexico Water Treaty (1944); IBWC Minute 319 (2012) Library of Congress · National Archives (NARA) · DPLA PHOTO CREDITS (Wikimedia Commons) Lake Powell from Wahweap Overlook (2026); Hoover Dam and Black Canyon; Lake Mead bathtub ring; Hoover Dam intake towers; Glen Canyon Dam from downstream (2026) — Christian David, CC BY-SA 4.0 Confluence of Green and Colorado Rivers — MostlyDeserts, CC BY-SA 3.0 Grand Junction skyline — Eleaf, CC BY-SA 3.0 Grand Lake (Colorado) — Billy Hathorn, CC BY-SA 3.0 Colorado River south of Canyonlands — Ken Lund, CC BY-SA 2.0 Grand Canyon Panorama 2013 — Roger Bolsius, CC BY-SA 3.0 Grand