White water rafting, kayaking and canoeing: The Trinity River, a 203-mile tributary of the Klamath River, starts in the Trinity Alps and features calm waters and multiple classes of white water.

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world's most iconic sites.

The Grand Canyon Conservancy has a donation page where you can donate any amount you’d like to help with recovery efforts.

More than $2.1 million in federal cash is being earmarked to combat sea lamprey in the Grand River in Grand Rapids.

The wildfire that destroyed a Grand Canyon lodge this month was the latest blow to the National Park Service staffing and funding cuts.

The Dragon Bravo Fire that destroyed the North Rim lodge will affect visitors and nearby communities. Here's the Canyon's financial impact on Arizona.