Erratic or glacier erratic is a piece of rock that has been carried by glacial ice, often hundreds of kilometres. Characteristic of their massive size and improbable looking placement. Erratics are frequently seen around Whistler and Garibaldi Provincial Park. Either as bizarre curiosities or a place to relax in the sun. On a sunny day, a large sun-facing erratic will often be warm and sometimes even hot, providing a comfortable and surreal place to rest.
During the last ice age, glaciers covered British Columbia, and where Whistler is today, the glaciers were two kilometres thick. Glaciers from the last ice age can often be measured by the grinding marks made on the mountains they covered. In the mountains around Whistler you can see just a few that poked through the glaciers, leaving their peaks jagged. Other, shorter mountains around Whistler can be easily recognized as completely covered in ice. Shown by their rounded, glacier ground peaks. The most impressive erratics lay in an area with dissimilar rock types in the surrounding mountains. For example, rock and mountains around the erratic should be of different colour, texture and composition. An erratic should look very out of place and distinct from its surroundings. Erratics are frequently the result of glaciers carrying or grinding the erratic as it slowly moves down a glacier valley. Rock slides from mountains can deposit house sized boulders onto a glacier which then slides down a valley for centuries, eventually releasing it. These erratics are easy to trace back to their parent rock by matching them to identical rocks up the likely ice flow route. Ice rafting is another way erratics have been moved great distances. Ice rafting results from an ice dam breaking apart and tremendous volumes of water and ice flooding through. These erratics are often detected by the high water marks left by the floods that moved them. Another cause of erratics is via icebergs floating in the ocean and eventually releasing the rock encased in the melting ice.
Brandywine Meadows Lounge Chair Erratic
Monstrous Erratic Along the Brandywine Meadows Trail
Enormous Broken Erratic Along the Flank Trail
Erratic at Beautiful Wedgemount Lake
Erratic at Russet Lake
Erratic Split by a Tree on the Helm Creek Trail
More Whistler & Garibaldi Park Hiking A to Z!
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Whistler Bungee Bridge, also known as the Cheakamus Bungee Bridge is a very convenient and beautiful attraction on the way to or from Whistler from ...
Erratic or glacier erratic is a piece of rock that has been carried by glacial ice, often hundreds of kilometres. Characteristic of their massive size and ...
Wedgemount Lake itself is a magnificent destination for a day hike or spectacular overnight beneath the dazzling mountain peaks and stars above Garibaldi Provincial Park. Many sleep under the stars on one of ...
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May is an extraordinarily beautiful time of year in Whistler. The days are longer and warmer and a great lull in between seasons happens. Whistler is fairly ...
June is a pretty amazing month to hike in Whistler and Garibaldi Park. The average low and high temperatures in Whistler range from 9c to 21c(48f/70f). ...
July is a wonderful time to hike in Whistler and Garibaldi Provincial Park. The weather is beautiful and the snow on high elevation hiking trails is long ...
August hiking in Whistler definitely has the most consistently great, hot weather. You can feel the rare pleasure of walking across a glacier shirtless and ...
Hiking in Whistler is spectacular and wonderfully varied. Looking at a map of Whistler you see an extraordinary spider web of hiking trails that are unbelievably numerous. Easy trails, moderate trails and challenging hiking trails are all available. Another marvellous ...
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The West Coast Trail was created after decades of brutal and costly shipwrecks occurred along the West Coast of Vancouver Island. One shipwreck in particular was so horrific, tragic and unbelievable that it forced the creation of a trail along the coast, which ...
Erratic or glacier erratic is a piece of rock that has been carried by glacial ice, often hundreds of kilometres. Characteristic of their massive size and improbable looking placement. Erratics are frequently seen around Whistler and Garibaldi Provincial Park. Either as bizarre curiosities or a place to relax in the sun. On a sunny day, a large sun-facing erratic will often be warm and sometimes even hot, providing a comfortable and surreal place to rest. 
Alexander Falls 
Ancient Cedars 
Black Tusk 
Blackcomb Mountain 
Cheakamus River 
Cirque Lake 
Sproatt East 
Wedgemount Lake 
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