The trails at LW are not marked at all and it can be a little frustrating trying to put a loop together on your own, and finding the freeride stuff could be tough as well. I'd suggest hooking up with the guys over at Busted Spoke. StinkyKonaGuy is a good guide.
http://www.bustedspoke.com/Forum/viewtopic.php?f=2&t=48116&start=165
http://www.bustedspoke.com/Forum/viewtopic.php?f=2&t=48116&start=165