1) 5-6 hours, but i was moving quite slowly
2) it looked like it was going to be easy, but brush made it really rough going. it wasn't steep the place i went down, just brush so thick you couldn't push or crawl through it. i had to climb up the walls of the little canyon and climb down those. i'm sure there are much easier ways in, i was in a hurry so i didnt look much
3) there were a few pouroffs, and one i remember required some maneuvering. most of them were small, and you could climb around them without much trouble. the hard one had a bypass, as most of them do.
Thanks
Did you keep a GPS track?