The Guadalupe River has risen to catastrophic levels in the same area three times in the past century, impacting camps and campers each time.

The flash floods that killed at least 100 people in central Texas last week is only the latest Guadalupe River disaster to claim lives.

As search and rescue efforts continue in response to the “catastrophic” and deadly flooding of the Guadalupe River in Kerr County on Friday morning,

Maps show how heavy rainfall and rocky terrain helped create the devastating Texas floods that have killed more than 120 people.

The Guadalupe River has a history of deadly flooding. Here is a look over the decades. (AP video Marshall Ritzel/Albee Zhang)

At least 161 are still unaccounted for after the July Fourth floods that saw the waters of the Guadalupe rise to historic levels in Central Texas, officials with Kerr County said Friday. Authorities have confirmed 103 deaths, 36 of whom are children.

Teens at the Pot O’ Gold Christian Camp near Comfort, Texas, were swamped by a wall of water as they tried to escape.

"We will handle this page with the reverence it deserves and hopefully unite owners and loved ones with their belongings," says the FB page.

A major flood event also struck the Texas Hill Country in July of 1987 after a series of 17 thunderstorms moved slowly, in succession, over the headwaters of the Guadalupe River in Kerr County. Anywhere from 5 to 10 inches of rain fell on the flood-prone areas, now deemed “Flash Flood Alley,” according to a National Weather Service report.