It's not often you get a chance to see an avalanche up close from a safe vantage point.

But a small group visiting the Rocky Mountains in British Columbia earlier this week did. And they shared the video online.

Skiier and mountaineer Jurek Ziemkiewicz and his group were walking along a tree line April 21 when they spotted an avalanche approaching from above.

They ran to a spot just off its path and were able to watch the raging river of snow from a safe spot—right near a sign that read “expect the unexpected.”

Check out their video below: