Helping People Avoid Avalanches

We combine smart phone technology with established snow science to improve winter backcountry decision-making. We make it easy to share observations and adventures, and provide ongoing resources to increase avalanche knowledge and awareness.

MAST gives you the tools to stay out of this...

  “Think of this, the most advanced backcountry app available, as another tool in your snow-safety toolbox.”   


Buyer’s Guide Winter 2012-2013

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