These arnt mine but I was there at the time watching.
This last saturday it was a group ride and we hit up a steep hill. Ive done this myself and its not too hard but you cant do it wrong because you will flip your quad. After 2 successful guys going up this guy tries.
Watch about the first minute only. Rest is just recovering the quad.
http://www.youtube.com/watch?v=KkmBbQGIbDoSecond video was another group trip where we sat at ice fall. One guy wanted to drive up it since he just got new studded tires for his quad.
http://www.youtube.com/watch?v=RU7dR6Os8xw