34 votes

Grinnell Glacier

Glacier National Park, Montana USA

Free to Visit
  • Not Wheelchair
  • No Public
  • No Wifi
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“ice, ice baby”

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. When compared with images taken over subsequent years, the glacier has obviously retreated substantially. In 1850, at the end of what has been referred to as the Little Ice Age, Grinnell Glacier measured 710 acres (2.9 km2), including the area of The 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 km2) and The Salamander measured 57 acres (0.23 km2). Between 1966 and 2005, Grinnell Glacier lost almost 40 percent of its acreage. Glaciologists have predicted that if carbon dioxide levels increase at a worst-case scenario, all the glaciers in the park, including Grinnell, will disappear by the year 2030. However, under a modest increase in overall carbon dioxide levels, some glaciers will remain until the year 2277. Gem Glacier, one of the smallest remaining glaciers in the park, is located on the Garden Wall above Grinnell. Repeat photography taken between the years 1938 and 2009 (as shown below) show that Grinnell Glacier has retreated significantly over that period. The Salamander and Gem Glaciers have shown little change in area over the same period of time. The Salamander receives its name for its shape and its coloring, which comes from the serratia bacteria that grows on it. The glacier can be reached after a 6-mile (9.7 km) hike from a trailhead beginning at Swiftcurrent Lake. The trail has an altitude gain of just over 1,600 ft (490 m), with the majority of that in the second half of the hike.

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  • 33 Reviews
  • 4 Helpful
August 22, 2018
Rated 5.0

This was a strenuous hike but oh soooo worth it. If you’re not in very good shape just take breaks. The view is incredible and unlike any I’ve ever seen. The glaciers are so beautiful and we were able to eat lunch at grinnell glacier right by the waters edge. We did it at 830 in the morning when it was raining. It stopped about an hour in but we didn’t see very many people until we got to the top. We were rerouted due to grizzly activity so it was 13.5 miles but every step was worth it.

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Grinnell Glacier

Glacier National Park

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