I was one of those who got lost. what a nightmere. carrying the bike, slipping into the stream. it was dark, and we were doing a huge epic, starting from loma alta, going up to mount wilson, down wilson road, to gabrieleno, to bear back down merril or mt lowe to our car. we were crossing streams in total darkness. the worst time was, all of a sudden, we ended up at the huge waterfall, dead end, and backtracked to luckilly find the trail. Its not fun in dark, on a new trail. anyway, that trail is only good for hiking now, unless you are into carrying your bike.