Floodwaters trapped people in their homes and cars Tuesday in a mountain village that is a popular summer retreat in southern New Mexico as monsoon rains triggered flash flooding and an entire house was swept downstream.

Two days before flash floods on the Guadalupe River in Texas killed dozens of campers at a Christian girls summer camp, a state inspector approved operations, noting there was a written plan for responding to natural disasters.

More than an entire summer's worth of rain fell in some spots in just a few hours, quickly overwhelmed dry soils and created significant flash flooding.

One of Texas' most popular rivers flooded over the weekend and contributed to Texas' catastrophic flooding that claimed over 80 lives, including two dozen children at Camp Mystic. Here's what to know about the layout of the river and the role it played in one of the state's deadliest flash floods in modern history.

Four days after the Guadalupe River in Texas broke its banks and triggered catastrophic floods, Scripps News reports on what led to the disaster and how communities are responding.