The world’s glaciers are a stunning sight, but if they’re on your travel bucket list, the clock is ticking. In nearly all cases, they're melting at an alarming rate due to climate change. A new report shows that the so-called "doomsday" glacier in Antarctica is losing ice at a pace not seen in 5,500 years. Here are some of the glaciers most worth seeing before they potentially disappear forever.
Alaska
One of Alaska’s most accessible glaciers, Kenai Fjords National Park’s Exit Glacier is a short drive from Seward, Alaska. Visitors can hike right up to its face, past markers that show just how much the ice has retreated over the years. A more strenuous trail rewards hikers with a sweeping view of the ice field, or visitors can sign up with professional guides to get out on the ice itself.
Related: Epic Hiking Trails Around the Globe
Canada
Unfortunately, one of North America’s most-visited glaciers is also one of its most vulnerable. Athabasca, in Alberta’s Jasper National Park, is retreating about 16 feet every year and could disappear completely in the next 100 years, leaving only an alpine meadow, experts say. Stone markers show visitors just how much the mighty ice field has shrunk in the past century.
Montana
Sadly, Glacier National Park is on track to lose all of its glaciers by the century’s end. Grinnell Glacier, arguably one of the most famous remaining slivers of ice, is the payoff at the end of a scenic hike in the Many Glacier section of the park. Though rangers used to guide hikers out onto the ice itself, they no longer do so because it has retreated so far.
New Zealand
Adventurous visitors can traipse around Franz Josef after being dropped onto the ice via helicopter, but years ago, they could walk right onto it. A major attraction in New Zealand’s Southern Alps, Franz Josef plunges dramatically into temperate rainforest. While it has advanced and retreated over the years, the overall trend is the latter. It has shrunk about 2 miles over the past century.
Related: Stunning Landscapes That Make Earth Look Like Another Planet
Argentina
While most of the globe’s other glaciers are shrinking, Patagonia’s Perito Moreno continues to grow. Why? Scientists aren’t exactly sure, though they guess its very steep angle may be helping, according to National Geographic. A particularly well-timed visit may allow you to witness the collapse of an icy arch into Lake Argentino, a phenomenon that happens every two to four years.
Iceland
The largest glacier in all of Europe is Vatnajokull, a UNESCO World Heritage site that spreads over a whopping 8% of Iceland. Under its surface are volatile volcanoes, and the glacier’s ice caves are a truly stunning sight for winter visitors. But even this massive ice cap isn’t immune to climate change, and according to the New York Times, it’s retreating by the length of roughly three football fields in some spots each and every year.
Switzerland
The largest Alpine glacier is almost as big of a tourist draw as the nearby Matterhorn, and it holds a staggering 11 billion tons of ice. The region draws not just glacier hikers, but skiers, mountain bikers, paragliders, and other daredevils. But if you want the best view of the ice, go soon: Scientists say that even under the best climate conditions, Aletsch will still likely lose about 50% of its ice by the end of the century.
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Alaska
One thing is for sure: This stunning mass of ice in Prince William Sound, often visited by cruise boats, isn’t retreating at a glacial pace. Researchers say it has shrunk about 12.5 miles since 1980, and if that isn’t dramatic enough, consider this: It’s dumping 4 gigatons of ice into the ocean every year. Cruisers who are lucky enough to dodge massive icebergs to get close to the glacier’s face can stare in awe at sheets of ice up to 400 feet tall.
Canada
So named because of its icy “wings,” Angel Glacier clings precariously to Mount Edith Cavell in Jasper National Park, not far from Athabasca Glacier. Its shape continues to change as it melts, so hikers shouldn’t count on angelic views for much longer. You can watch part of the glacier collapse and pour off the side of the mountain in this YouTube video.
Washington
The longest, lowest glacier in the continental U.S., Carbon Glacier stretches about 5 miles down the side of Mount Rainier. Rocks and other debris tumbling down from the summit shield the ice, helping make Carbon the mountain’s thickest and most resilient glacier, and giving its lower reaches their “dirty” appearance.
France
This long tongue of Alpine ice, the largest glacier in France, was just a few steps from a cable-car stop near Mount Blanc in the late 1980s. Today, visitors must trek 580 steps down to the glacier to visit an ice cave that’s dug every year. The cave may also be in danger — diggers have recently hit rock instead of ice.
Norway
Norway’s famous fjords were carved by glaciers, and visitors can find continental Europe’s largest glacier in the Scandinavian nation. Jostedalsbreen covers about 188 square miles, and scientists have been slowly mapping the thickness of the ice in order to predict how the warming climate may affect the glacier in the future. One possibility: The massive ice sheet may split into several smaller glaciers.
Chile
A spectacular tourist draw in Chile’s Torres del Paine National Park, Grey Glacier attracts hikers, kayakers, and boaters to Patagonia. It made the news in 2017 when a giant iceberg, roughly 1,200 feet long, broke free and floated into Grey Lake, raising questions about the effects of climate change. Satellite images from NASA show just how much Grey has shrunk in only a 20-year period.
Austria
Pasterze, Austria’s biggest glacier, continues to be a major Alpine tourist attraction even as it shrinks at a rapid clip: It has lost about half of its volume and retreated about 2 miles in the past century. Still, it’s worth a visit to see this impressive sea of ice, which can be explored with a certified guide. There’s also year-round skiing, a glacier cable car, and plenty of other mountain activities.
Related: Breathtaking Photos of the Earth's Most Remote and Unexplored Places
Greenland
Remote though it may be, Greenland — itself about 80% ice — should be on any glacier lover’s bucket list. The Jakobshavn Glacier in western Greenland is a whopping 40 miles long and a mile thick, plus it’s a prolific source of icebergs, including the one that doomed the Titanic. Visitors can get a taste by exploring the rapidly retreating glacier’s terminus at the Ilulissat Icefjord, the northernmost UNESCO World Heritage Site.
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