The Fairy Falls Hiking Trail is an epic hike in West Yellowstone with a beautiful view of the 200-foot Fairy Falls. I lo ...

Firehole Canyon Drive stands out since it takes visitors past a waterfall and to a Yellowstone swimming ... stretch of the Firehole River. Unlike other places in the park, the river here runs ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park ... near the Firehole River. Photograph by Michael ...

Sapphire Pool is one of our favorite blue water pools in Yellowstone National Park ... Keep an eye out on the Firehole River for River Otters as you cross the wooden bridge heading up to Biscuit ...

The canyon is anywhere from 800 to 1,200 feet deep and features multiple falls that cascade down the Yellowstone River, including ... Village area and one of the park's most popular hiking spots.

Photograph by Michael Nichols with Ronan Donovan and the National Park Service Left: Yellowstone National ... But along the Firehole River in the Upper Geyser Basin, snow melts faster, and green ...

George Marler's documentation of hydrothermal activity has provided future generations with invaluable information, writes ...

Ranger naturalist George D. Marler monitoring of changes in hydrothermal activity in Yellowstone was useful in understanding the changes in hydrothermal activity following the August 1959 M7.3 Hebgen ...

Some of Marler’s other publications, including “The story of Old Faithful,” “Studies of geysers and hot springs along the Firehole River, Yellowstone National Park, Wyoming,” and ...

Yellowstone Caldera Chronicles is a weekly ... Much of the debris was thrown in the direction of the Firehole River, although the boardwalk adjacent to Black Diamond Pool was severely damaged.