An absolute monster of an avalanche was triggered in Tepee Basin in southwest Montana on Wednesday. NBC Montana reports the mile-wide slide is the biggest avalanche observed this season. An avalanche warning remains in place for the mountains around West Yellowstone and Island Park. Continued snowfall combined with the 2-3 feet of snow that fell this week make both natural and human-triggered avalanches in the area an ongoing threat. For complete avalanche forecast information please visit The Gallatin National Forest Avalanche Center:

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Francis Xavier is a seasoned writer for Unofficial Networks, bringing a lifetime of outdoor experience to his work. Having lived in a ski resort town for years he has a deep connection to mountain culture....