Snowmobiler killed in Idaho avalanche

Three buried, one dead in backcountry incident

Published on Feb. 24, 2026

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A snowmobiler was killed on Sunday afternoon after being buried by a large avalanche in the mountains near Island Park, Idaho. Two others may have been caught in the slide but were uninjured. Dangerous avalanche conditions exist in the area, with the Gallatin National Forest Avalanche Center warning that slopes steeper than 30 degrees should be avoided.

Why it matters

Avalanche incidents like this highlight the risks of outdoor recreation in mountainous areas during the winter months, especially for those engaging in activities like snowmobiling in the backcountry. This tragedy serves as a reminder of the importance of avalanche safety education and preparedness.

The details

According to the Colorado Avalanche Information Center (CAIC), a group of four snowmobilers from the Midwest were visiting the area when one person was caught and buried by the avalanche. The slide buried the person fairly deep, and they did not survive. Two other members of the group may have also been caught in the slide but were uninjured.

  • The incident occurred on Sunday afternoon.

The players

Colorado Avalanche Information Center (CAIC)

An organization that provides avalanche forecasting and education for the state of Colorado.

Gallatin National Forest Avalanche Center (GNFAC)

An organization that provides avalanche forecasting and education for the Gallatin National Forest area, including parts of Montana and Idaho.

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What they’re saying

“Slopes steeper than 30 degrees should be avoided, including flatter terrain below steep slopes,”

— Gallatin National Forest Avalanche Center (GNFAC) (foxweather.com)

“We are deeply saddened to report a snowmobile avalanche fatality today,”

— Gallatin National Forest Avalanche Center (GNFAC) (foxweather.com)

What’s next

The Gallatin National Forest Avalanche Center and other local authorities will continue to monitor avalanche conditions in the area and provide updates to the public.

The takeaway

This tragic incident underscores the importance of avalanche safety awareness and preparedness for anyone venturing into the backcountry during the winter months. Heeding avalanche warnings, avoiding steep slopes, and having the proper gear and training can help prevent similar accidents in the future.