Named for anthropologist and conservationist George Bird Grinnell, Grinnell Glacier is one of the most ... less spectacular with overcast skies. The trail is typically open from early June through ...

To see it for yourself, you can hike Grinnell Glacier Trail, but be warned: This is one of those U.S. National Park trails that are only for experienced hikers. Although this hike is only a little ...

If snowcapped peaks, jagged cliffs, towering volcanoes and old-growth forests are calling your name, then there's no time like the present to grab your boots and hit the trails in some of the ...