Welcome to the Gallatin National Forest Avalanche Center (GNFAC) web site. This site is brought to you by the Friends of the GNFAC, a non-profit supporting avalanche awareness and education through a partnership with the GNFAC.
Based in Bozeman, Montana, the GNFAC covers an area of approximately 6,000 mi2, including the Bridger, Gallatin, and Madison Ranges, the Lionhead area near West Yellowstone, and the mountains around Cooke City.
GNFAC Instagram
GNFAC News
May 3-4th, Give Big online fundraising campaign! This is our one-and-only financial appeal to our users.
Sledders, mark your calendar for May 19, the 2nd Annual Sled Fest in Cooke City. It’s a fundraiser for the Friends of the Avalanche Center and there will be a DJ, raffle prizes and BBQ on the mountain.
Alex Marienthal and Doug Chabot provide a few thoughts about why you should read the daily advisory. As the season wears on, don't get "Advisory Fatigue." There is a lot of winter still to come!
Alex Marienthal and Doug Chabot discuss the difference between inches of snow and snow water equivalent (SWE) and why it matters.
Resources
Weather Stations
Weather Stations provide the GNFAC forecasters with information on snowfall, wind and temps from around the region. The Weather Log summarizes this daily.
Avalanche Education
GNFAC partners with groups around the region to provide evening avalanche classes, plus full day and multi-day courses, including some weekend field days. All our class offerings, along with courses from other providers, are on our Education Calendar.
Placenames
Use this map to find the locations of unfamiliar places mentioned in the advisory. Also take a look at our glossary of avalanche terms.
Support
Donate to the Friends of GNFAC; or order DVDs or 'Snow Sense' avalanche safety handbook.