Climate Change

Grinnell Glacier taken from the Grinnell Glacier trail, Glacier National Park. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions are noted below the downloadable image. Please respect the photographer: When using these photographs, please credit the photographer and source (eg. T.J...

In 1900 Grinnell Glacier’s mass filled the cirque basin. This early photo shows the glacier’s height along the headwall and how it was once joined the upper ice portion, now called The Salamander. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions are noted below the downloadable...

Heavy vegetation cover in the recent photo made this repeat photo location difficult to find. The glacial front (terminus) is over a kilometer away from this location in the 2013 photo. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions are noted below the downloadable image. Please...

Grant Glacier from Grant Ridge, Flathead National Forest, Montana. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions are noted below the downloadable image. Please respect the photographer: When using these photographs, please credit the photographer and source (eg. T.J. Hileman...

Chaney Glacier with view of Chaney Notch, Glacier NP. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions are noted below the downloadable image. Please respect the photographer: When using these photographs, please credit the photographer and source (eg. T.J. Hileman, courtesy of...

Clements Glacier displayed crevasses in 1914, but in 2010 it is merely a perennial ice mass. Each summer, thousands of visitors pass by the steep moraines sculpted by this glacier as they hike from Logan Pass to Hidden Lake Overlook. The trail is visible along the left side of the 2010 photo. Image Use Most of the repeat photography images available on this website are in the public domain and may...

View of Chaney Glacier terminus, Glacier National Park. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions are noted below the downloadable image. Please respect the photographer: When using these photographs, please credit the photographer and source (eg. T.J. Hileman, courtesy of...

In the past 100 years, Boulder Glacier has been reduced to a small sliver of ice in the shadow of Boulder Peak. At the former terminus, small trees and other vegetation have become established where once there was only rock and ice. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions...

Boulder Glacier as viewed from Chapman Peak in the northwest region of Glacier National Park. The historic photo shows the expansive Boulder Glacier, taken around 1910, coupled with a 2007 view of Boulder Glacier. Taken approximately 100 years apart, these images show the immense reduction in the area of Boulder Glacier. A portion of Agassiz Glacier is also visible beyond the right side of Boulder...

This pairing of photos from the flank of Boulder Glacier reveals a dramatic change in the 56 years between the photos. The repeat photograph was taken by Glacier National Park ranger Jerry DeSanto. Pack trips to Boulder Glacier used to include exploration of the glacier’s ice cave. The cave has long since disappeared as the glacier receded beyond this point. Image Use Most of the repeat...

Boulder Glacier taken near Boulder Pass, Glacier National Park. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions are noted below the downloadable image. Please respect the photographer: When using these photographs, please credit the photographer and source (eg. T.J. Hileman...

At the time the 1914 photograph was taken, Blackfoot and Jackson Glaciers were joined by their expansive margins. The 2009 photograph shows how each glacier has receded to the confines of its own cirque. Image Use Most of the repeat photography images available on this website are in the public domain and may be reproduced without permission. Images with restrictions are noted below the...