Research
The Grand Canyon’s drinking water comes from a single spring connected to over six miles of hidden caves
Earth.com · By Rodielon Putol ·
The Brief
- The twelve water spigots used by visitors in Grand Canyon National Park have drawn their water from Roaring Springs, a cave-fed spring on the North Rim, for decades.
- An August 2025 study by researchers at Northern Arizona University (NAU) described over 6 miles of caves connected to the spring.
Why it matters
It identifies the single cave-fed source behind the park's visitor drinking water, which is relevant to how the park's water supply is understood and protected.
Who’s affected
- visitors to Grand Canyon National Park
- park water-resource managers and hydrogeologists
- #hydrology
- #karst caves
- #groundwater
- #grand canyon
- #drinking water
For decades, the twelve different water spigots used by visitors in Grand Canyon National Park have drawn their water from Roaring Springs, a cave-fed spring on the North Rim. In an August 2025 study, researchers at Northern Arizona University ( NAU ) described over 6 miles (10…