Walking under a small waterfall on the Grinnell Glacier trail. Glacier National Park, Montana, USA.

Subjects: Atmosphere and Sky, Civilization, Cliffs, Cloudless Sky, Environments, Freshwater, Geology, Hiking, Man-made spaces, Men, Outdoor Recreation, Outside, People and Activities, Recreational spaces, Rock Formations, Scenics with Sky, Seasons, Summer, Timberline, Trails, Waterfalls, Women