As might be expected, avalanche risk around the state has increased after big snow in recent days. While that risk is subject to sudden change, at time of the publishing, mountains in northern Colorado are mostly at a risk level of 3 of 5 while those in the southern half of the state are at about 2 of 5 (find the most up-to-date information here). It’s also worth noting that some of that risk was put on display on Saturday, when a small avalanche grew and traveled 1,500 feet down the mountainside just north of I-70.

According to the Colorado Avalanche Information Center (CAIC), multiple people were caught in the skier-triggered avalanche, which took place in Bulter Gulch near Jones Pass – about five miles north of Interstate 70 and roughly seven miles northeast of the Eisenhower-Johnson tunnel complex.

Two groups of skiers were involved, with a skier from the first group triggering the avalanche about 500 feet above him. While the slide started out relatively small, it “stepped down,” and caused an entire slope to release to the ground. It ultimately slid for about 1,500 feet, past two benches (flatter sections of terrain) and into another gully.

On its way down the mountainside, three skiers from a second group were hit and caught during their ascent up the same slope. Thankfully, the first group was prepared with the proper safety gear, able to initiate a beacon search that made it possible to quickly locate and make contact with skiers hit by the slide. No rescue was needed with no injuries reported by the CAIC.

According to the CAIC, this avalanche demonstrated “how persistent slab avalanches can break in surprising ways,” with this slide being one of several to get remotely triggered in recent days.

This slide shows why it’s so important to be aware of terrain above where you’re traveling, as movements on snow below can trigger avalanches far above, even if the snow you’re traveling on is seemingly flat and safe. This issue isn’t restricted to backcountry skiers and snowboarders, either, as it can also be particularly problematic for winter hikers and snowshoers, as well. Trails may seem safe, but that doesn’t mean the terrain around them is.

This instance also shows how it’s important to carry proper avalanche safety gear when in the mountains during the winter months. The ‘big three’ items include an avalanche transceiver and beacon, a snow probe, and a snow shovel. It’s also crucial to know how to use all three.

Find additional information about the avalanche risk forecast and related safety tips on the Colorado Avalanche Information Center website.

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