The Texas Hill Country, known as “Flash Flood Alley,” has long been threatened by high levels of rainfall and thin soil, making it prone to flash floods that can be deadly and destructive.
Located in the southern part of the state, where the American South meets the Southwest, the Hill Country is characterized by its picturesque landscape, including fields of lavender, vineyards, and a network of rivers and lakes. However, this natural beauty also masks a peril lurking beneath the surface.
Kerr County was hit hard on Friday when the Guadalupe River surged beyond its banks, killing at least 27 people and leaving many others missing. The river rose nearly 30 feet in just an hour and a half, causing widespread destruction and chaos.
The region’s vulnerability to flash floods is well-documented, with judges and residents alike warning of the dangers that can occur when heavy rainfall combines with thin soil, exposed bedrock, and steep terrain. Longtime residents remember devastating floods in the past, including one in 1987 when a bus was swept away, killing ten teenagers.
Despite these risks, the region’s appeal has only grown stronger, drawing retirees, tourists, and those seeking a more rural lifestyle to its natural beauty and outdoor recreation opportunities. However, this growth has also led to increased pressure on local infrastructure, making it essential for residents and authorities to prepare for and respond to flash flood events.
The impact of recent flooding in Kerr County serves as a stark reminder of the importance of understanding and mitigating these risks. As one judge noted, “This is the most dangerous river valley in the United States.” The community will need time to recover from this devastating event, but it also presents an opportunity for growth, renewal, and enhanced flood preparedness measures.
Source: https://www.nytimes.com/2025/07/05/us/texas-hill-country-guadalupe-river.html