Glacier National Park, Montana

Sunrise light on Mt. Grinnell, reflected in the tranquil waters of Swiftcurrent Lake, Glacier National Park, Montana. 
A thunderstorm approaches over the Garden Wall on the descent from Grinnell Glacier. 
Cliffs of dark gray limestone belonging to the Helena Formation tower above Upper Grinnell Lake. 
Two Medicine Lake, Glacier National Park, Montana 
McDonald Creek, Glacier National Park, Montana 
Logan Pass, Glacier National Park, Montana 
Mt. Grinnell and Swiftcurrent Lake, Glacier National Park, Montana 
Mountain goat, Glacier National Park, Montana 
McDonald Creek, Glacier National Park, Montana 
Avalanche Lake, Glacier National Park, Montana 
The Garden Wall, Glacier National Park, Montana 
Chief Mountain, Blackfeet Reservation, Montana 
Kintla Lake Ranger Station, Glacier National Park, Montana 
Johns Lake, Glacier National Park, Montana 
Logan Pass, Glacier National Park, Montana 
Logan Pass, Glacier National Park, Montana 
Hidden Lake Overlook, Glacier National Park, Montana 
A bighorn sheep (Ovis canadensis) alongside the trail, with Grinnell Glacier in the background. 
Panoramic view of Grinnell Glacier (left) and Upper Grinnell Lake. 
Hiking through the redbeds of the Grinnell Formation on the way to Grinnell Glacier.