Boulder Glacier, Mountain glacier in Glacier National Park, Montana
Boulder Glacier sits on the northern slopes of Boulder Peak, west of the Continental Divide in Glacier National Park. The ice mass clings to steep mountainsides and forms a visible feature in the park's high alpine terrain.
This glacier formed during the Ice Age and once covered much larger areas of the mountain. Since the early 1900s, it has shrunk considerably from its previous size.
Native American tribes maintained deep connections to the lands surrounding Boulder Glacier for generations before the establishment of Glacier National Park.
Hikers reach this glacier through marked trails in Glacier National Park with proper equipment and preparation. The best time is late summer and early fall, when trails are clear and weather is more stable.
Though technically no longer an active glacier, it remains an important part of the park landscape and shows the visible effects of climate change. Visitors can observe how quickly alpine landscapes can shift over time.
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