Faced with recent major breaks to the Transcanyon Waterline (TCWL), the National Park Service (NPS) and contractor Stronghold ...

The Colorado River is about to get a new set of rules for its two largest reservoirs — Lake Powell and Lake Mead.

Arizona’s Grand Canyon National Park is home to one of the most iconic natural features on earth. Here are the top trails, ...

These Arizona day trips are simple to pull off this year, packed with jaw-dropping views, fun detours, and just enough ...

An experienced Indiana river runner tragically died after being swept off his raft in a powerful rapid on a Colorado River expedition.

Every year at Grand Canyon National Park, millions of visitors from all over the world stop at one of a dozen water spigots. Most people are on a rim, seeing the canyon's majesty for the first time, ...

Specializing in exclusive "fly-in" rafting adventures, this premier outfitter whisks you deep into the backcountry for ...

To save Arizona's water source, we have to look beyond conservation and at the way local entities review the impact growth ...

"It's very hard to quantify what's going on in there." Researchers investigate 'black box' discovered deep in caves of the Grand Canyon: 'Thousands of feet belowground' first appeared on The Cool Down ...

Far below the crowded overlooks and shuttle stops of Grand Canyon National Park, researchers have been probing a very different kind of attraction: a hidden “black box” in the rock that controls how ...

PHOENIX – The Grand Canyon National Park (GRCA) water system violated drinking water standards in August 2024 and the second quarter of 2025, according to the National Park Service. NPS said neither ...