and i just remember my friends had their hands in the air and they were hooting and hollering. i just was like -- i was overwhelmed. >> i was able to see heather come out of the bottom of the slope. and when i saw she was ahead of the avalanche, i knew she was safe. >> nice job, nice job. >> i was really happy to be walking away that day alive. a snowmobiler plunges off a giant cliff and comes up bloody. >> it mowed my butt down. >> tim hoff loves to burn off steam on his snowmobile. >> it's adrenaline, challenging, it's excitement, the adventure, it's beautiful. >> for him the best part by far is jumping. >> you get more height off to go bigger and farther. >> tim snowmobiles with his brother, rob. together they seek out bigger cliffs to jump from. >> we try and get up early in the morning, and we call it dawn