Drove up this morning in my stock Subaru Outback. Slow and tricky, but do-able. There was only one spot where I had to back up and pick a different line. This road was definitely at the outer limits of the capability of the Subaru, but it made it up and down. X mode coming down was awesome. It was about 40 minutes up from the turn off Henson Creek Road, 50 minutes returning back down. Fortunately very little opposing traffic in either direction, and when there was it was at opportune locations (wide spots in the road).