Why Did the Guadalupe River Flood so Fast? What to Know About Texas' 'Flash Flood Alley'

The history of 'Flash Flood Alley,' the hilly region in Texas prone to flooding emergencies

The region of Texas where flash flooding killed more than 90 people -- including dozens of campers -- is known for its tendency to experience flood emergencies.

HISTORY REPEATING: Did You Know The Guadalupe River Flooded In 1987 and K*lled 10 Children? * 100PercentFedUp.com * by Noah

History just repeated itself (in horrific fashion) and most probably had no idea. I sure didn’t. But that’s why we do our research around here and that’s why over 5 million people trust us to deliver the news each day. In 1987, the same river, same exact area, even the same kind of camp was hit by nearly identical fast-rising flooding. Take a look: 1987: Church Camp Kids Were Taken by the Guadalupe River. 2025: It’s Happening AGAIN. SAME River.…

Why did the Guadalupe River flood so fast? What to know about Texas' 'Flash Flood Alley'

The Texas Hill Country has been notorious for flash floods caused by the Guadalupe River. Here's why the area is called "Flash Flood Alley."

Why Did Texas Flash Flood Waters Rise So Quickly?

Flash floods happen when heavy rains unleash more water than the ground can absorb, causing that water to pile up and flow to low-lying areas

Flash Flood Alley: Why Texas is so prone to disasters - The Iola Register

A hydrologist and civil engineer explain why portions of southern Texas — known as Flash Flood Alley — is so prone to such disasters. Texas Hill Country is known for its landscapes, where shallow rivers wind among hills and through rugged valleys. That geography also makes it one of the deadliest places in the United States for flash flooding.  In the early hours of Friday, a flash flood swept through an area of Hill Country dotted with summer c…