Lewis Range in the context of "Grinnell Glacier"

Grinnell Glacier is in the heart of Glacier National Park in the U.S. state of Montana. The glacier is named for George Bird Grinnell, an early American conservationist and explorer, who was also a strong advocate of ensuring the creation of Glacier National Park. The glacier is in the Lewis Range and rests on the north flank of Mount Gould at an altitude averaging 7,000 feet (2,100 m), in the Many Glacier region of the park.

The glacier has been one of the most photographed glaciers in the park and many of these photographs date back to the mid 19th century during the late Little Ice Age. When compared with images taken over subsequent years, the glacier has obviously retreated substantially. In 1850, Grinnell Glacier measured 710 acres (2.9 km), including the area of Salamander Glacier, an ice apron or shelf glacier that used to be attached to Grinnell, but is now separate. By 1993, Grinnell Glacier measured 220 acres (0.89 km) and The Salamander measured 57 acres (0.23 km).