The trail to Exit Glacier has been extended twice and now ends at a steep slope. “By the time we built a new trail up to the glacier, the glacier won’t be there anymore,” said Benjamin Pister, leader of the park's resource management team.
no longer offers views of the glacier face. The center, built at the edge of Portage Lake with big picture windows facing the glacier, opened to the public in 1986; within a decade Portage Glacier had retreated out of sight, grounding on land on the opposite side of the lake. “Of course, the design was so you could see the glacier, and everything was sitting right here,” said Adrienne McGill, the Begich, Boggs Visitor Center’s director.
Visitors gaze out at Portage Lake from the large picture windows at the Begich, Boggs Visitor Center on July 18. The center, a popular attraction in the Chugach National Forest, used to provide a clear view of Portage Glacier. Since the mid-1990s, that glacier has been out of view, and exhibits in the center emphasize the landscape and ecological changes that occur when glaciers retreat.
At Glacier Bay National Park in Southeast Alaska, 250 years of glacial retreat has been so dramatic that the land is actually rising. Through a phenomenon known as “,” uncovered land that was previously compacted by heavy glacial ice has now sprung up, expanding the onshore territory. “You have to drop further down the hillside and go further up the valley every year to get to the ice,” he said. “In 30 years, what used to be an easy day hike for all of our visitors might be a much more challenging and difficult trip to make.”
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