Grinnell Peak Sunise (IMAGE) Duke University Caption This image shows sunrise on Grinnell Peak in Glacier National Park, Sept. 11, 2006. Credit Public Domain Image Photo by Ken Thomas, via Wikimedia Commons Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.