The Glacier RePhoto Project

Documenting glacier change through repeat photography

The Glacier RePhoto Project is building a comprehensive, open-source geospatial inventory of repeat photography stations. Our mission is to unite a century of scattered glacier repeat photographs into a single, accessible, and scientifically robust database. 

The project currently documents over 330 stations and more than 1,500 photographs, with ongoing expansion into glaciated regions worldwide. We provide precise station locations and attributes that researchers, educators, and the public can use to study and visualize the effects of climate change on glaciers.

Explore Glacier Change

Glacier RePhoto Map Viewer

View and explore the glacier repeat photography database.

Interact with the map to locate photo stations, examine image details, and explore the visual record of glacier change across the American West. Note: Images shown in the viewer are unaligned archival versions and may differ in frame and scale. 

[Go to Map Viewer]

Station Location Data

Access geospatial station data for your own analysis. 

Download coordinates and attributes of glacier photo stations released under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
[Go to Data Page]

Repeat Photographs

See glacier change through time.
Browse selected aligned or comparison images that illustrate the power of repeat photography in documenting glacier evolution. 

For image use or print requests, please contact glacierrephotoproject@gmail.com.