The following press release was published by the U.S. Department of the Interior, National Park Service on June 15. It is reproduced in full below.

Jackson Glacier Overlook is home to the best view of a glacier along Going-to-the-Sun Road, telling one of the park's most important stories. In 1966, Jackson Glacier measured 316 acres. By 2015, it measured 187 acres.

You can see Jackson Glacier from the parking area, or hike towards it along the trail to Gunsight Lake, which begins at Jackson Glacier Overlook.

Glacier National Park

Source: U.S. Department of the Interior, National Park Service