Average annual temperature increase over the last century in the high-elevation park from climate change Rocky Mountain National Park covers 415 square miles atop the Continental Divide in the Front ...

This story appears in the February 2019 issue of National Geographic magazine. In Rocky Mountain National Park, 415 square miles of mountain terrain are protected—but not from effects of climate ...

The best time to visit Rocky Mountain National Park is from June to September when the snow is (mostly) melted and the hiking trails and attractions are accessible. Still, these four months are ...

While efforts to make it a national park have fallen short, this sublime Idaho mountain range is well worth a visit.

Back before the internet, hikers only had one tool to explore Rocky Mountain National Park. They simply called it the Dannen book. Kent Dannen, seen in this undated photo, wrote the guidebook ...

As many of us who live in Grand County remember, Rocky Mountain National Park commemorated its 100th anniversary in 2015. As ...

The best way to get around Rocky Mountain National Park is by car. Having your own wheels gives you the most freedom to come and go as you please. Still, the park's free shuttle is a good option ...